Teaching Assistant Meg Mesropian checks students into the first day of school and return to full-time in-person learning after the coronavirus disease (COVID-19) break, in Glendale, Los Angeles, California, U.S., August 18, 2021. REUTERS/Lucy Nicholson 

Six degree black belt aikido instructor Tam Ha and his assistants bow after teaching self-defense to students at Advance Beauty College during the outbreak of the coronavirus disease (COVID-19) in Garden Grove, California, U.S., April 12, 2021. Picture taken April 12, 2021. REUTERS/Mike Blake 

Tamani Salah, 26, teaches African children music and dance lessons at the Future Generation Center for Education (FGCE) which was founded by a Sudanese family to assist refugees hit by the pandemic in Giza Province's Barageel, Egypt February 24, 2021. Picture taken February 24, 2021. REUTERS/Amr Abdallah Dalsh 

Lisa McMullin, 50, a Patient Services Assistant at East Lancashire NHS Trust poses for a portrait ahead of International Women's Day at The Royal Blackburn Teaching Hospital in north west England, Britain, March 3, 2021. Picture taken March 3, 2021. "Your feet ache, your legs ache. At the end of every shift you’re sometimes absolutely drained but you get better and come back to work and carry on." McMullin said. REUTERS/Hannah McKay 

Kirsty Wilkinson, 33, a Healthcare Assistant at East Lancashire NHS Trust poses for a portrait ahead of International Women's Day at The Royal Blackburn Teaching Hospital in north west England, Britain, March 2, 2021. Picture taken March 2, 2021. "It’s a real privilege really, to be with them (people dying) and you remember everybody. Each and every single person." Wilkinson said. REUTERS/Hannah McKay 

Kirsty Wilkinson, 33, a Healthcare Assistant at East Lancashire NHS Trust puts on a protective face mask as she poses for a portrait ahead of International Women's Day at The Royal Blackburn Teaching Hospital in north west England, Britain, March 2, 2021. Picture taken March 2, 2021. REUTERS/Hannah McKay 

Kirsty Wilkinson, 33, a Healthcare Assistant at East Lancashire NHS Trust puts on a protective face mask as she poses for a portrait ahead of International Women's Day at The Royal Blackburn Teaching Hospital in north west England, Britain, March 2, 2021. Picture taken March 2, 2021. "It’s a real privilege really, to be with them (people dying) and you remember everybody. Each and every single person." Wilkinson said. REUTERS/Hannah McKay 

Betty Bucks, a teaching assistant who is classed in the 1B category, which includes teachers and childcare providers, receives the Pfizer-BioNtech COVID-19 vaccine at the University of Arizona in Tucson, Arizona, U.S., January 21, 2021. REUTERS/Cheney Orr 

An assistant of Dr. Hiba Jabbar Ashoor wears a protective face mask while taking a break at Basra Teaching Hospital, following the outbreak of the coronavirus disease (COVID-19), in Basra, Iraq June 20, 2020. Picture taken June 20, 2020. REUTERS/Essam Al-Sudani TPX IMAGES OF THE DAY 

Teaching assistant Niall McInnes blows air on a fire to fuel it while boiling water at a wilderness survival basic skills course, which has seen an increase in demand since the coronavirus disease (COVID-19) outbreak, in the Ingleside suburb of northern Sydney, Australia, May 31, 2020. Picture taken May 31, 2020. REUTERS/Loren Elliott 

Teaching assistant Natalie Ziolkowski blows air on a fire to fuel it while boiling water at a wilderness survival basic skills course, which has seen an increase in demand since the coronavirus disease (COVID-19) outbreak, in the Ingleside suburb of northern Sydney, Australia, May 31, 2020. Picture taken May 31, 2020. REUTERS/Loren Elliott 

Occupational Therapists Jason Smith and Grace Rowan assist recovering coronavirus patient Peter Dunn in walking again after the leaving intensive care unit at The Royal Blackburn Teaching Hospital in East Lancashire, following the outbreak of the coronavirus disease (COVID-19), in Blackburn, Britain, May 14, 2020. Picture taken May 14, 2020. REUTERS/Hannah McKay/Pool 

Occupational Therapists Jason Smith and Grace Rowan assist recovering coronavirus patient Peter Dunn in walking again after leaving intensive care at The Royal Blackburn Teaching Hospital in East Lancashire, following the outbreak of the coronavirus disease (COVID-19), in Blackburn, Britain, May 14, 2020. Picture taken May 14, 2020. REUTERS/Hannah McKay/Pool 

A health care assistant works on the Acute Stroke Unit at The Royal Blackburn Teaching Hospital in East Lancashire, following the outbreak of the coronavirus disease (COVID-19) in Blackburn, Britain, May 14, 2020. Picture taken May 14, 2020. REUTERS/Hannah McKay/Pool 

Bahie Ramadan from Syria and transgender migrant Shannel Cruz from Honduras listen to a teaching assistant in their English class at Thomas Jefferson Adult Career Education in Charlottesville, Virginia, U.S., May 14, 2019. Picture taken May 14, 2019. REUTERS/Adria Malcolm 

Medical staff assist a parent after she identified the body of her child killed in a stampede at the Kakamega Primary School, at the Kakamega County General Teaching & Referral Hospital in Kakamega, Kenya February 4, 2020. REUTERS/James Keyi TPX IMAGES OF THE DAY 

Others assist a parent after identifying the body of his child killed in a stampede at the Kakamega primary school, at the Kakemega teaching and referral hospital mortuary, in Kenya February 3, 2020. REUTERS/James Keyi 

Fu Shiwei, an assistant teacher of English, teaches an interpretation class at Wuchang University of Technology in Wuhan, Hubei province, China, September 25, 2017. Picture taken September 25, 2017. REUTERS/John Ruwitch 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, travels on a subway on his way to work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, poses for a photograph on a subway on his way to work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, walks down the stairs on his way to work in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, adjusts his mask before leaving home in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, travels on a subway on his way to work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, kisses his mother before leaving home in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, walks outside the building where he lives, on his way to work in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, types his secret code to enter a classroom as his students wait in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, leaves home in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, poses for a photograph during a class in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, uses a computer during a class in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, poses for a photograph on a subway on his way to work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, travels on a subway on his way to work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, walks to work in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, travels on a subway on his way to work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, walks down the stairs on his way to work in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, arrives to the university in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, stops a public minibus on his way to work in Iztapalapa neighbourhood, in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, walks at the university campus in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), teaches dressed as a comic superhero Spider-Man at the university in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, walks up the stairs as he arrives at work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), who teaches dressed as a comic superhero Spider-Man, shakes hands with a student on his way to work in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Moises Vazquez, 26, known as Spider-Moy, a computer science teaching assistant at the Faculty of Science of the National Autonomous University of Mexico (UNAM), teaches dressed as a comic superhero Spider-Man in Mexico City, Mexico, May 27, 2016. REUTERS/Edgard Garrido SEARCH "SPIDERMAN TEACHER" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES 

Tracy Bantleman, (R) wife of Canadian teacher Neil Bantleman, lawyer Patra Zen and Siska Tijong (L), wife of Indonesian teaching assistant Ferdinand Tjiong, attend a news conference in Jakarta, Indonesia February 26, 2016. Neil Bantleman is expected to return to prison a day after Indonesia's Supreme Court overturned his acquittal on charges of sexually abusing kindergarten children at an international school in the capital. Ferdinand Tjiong, who was also acquitted with Bantleman, has reportedly already returned to prison. REUTERS/Darren Whiteside

Canadian teacher Neil Bantleman (L) waves beside Indonesian teaching assistant Ferdinand Tjiong to students as they wait inside a holding cell before their trial at a South Jakarta court, Indonesia, April 2, 2015. Indonesia's supreme court has overturned the acquittal of the two teachers, convicted of sexually abusing students at an international Jakarta school and ordered them to serve out their original sentence. Picture taken April 2, 2015. REUTERS/Beawiharta TPX IMAGES OF THE DAY

Said Omar, a lecturer at the Garissa University College, teaches third-year students as they return to the campus in Kenya's northeast town of Garissa, January 11, 2016. The campus reopened today nine months after an attack by Somalia-based al-Qaeda linked al-Shabaab Islamist militants. REUTERS/Thomas Mukoya 

Said Omar, a lecturer at the Garissa University College, teaches third-year students as they return to the campus in Kenya's northeast town of Garissa, January 11, 2016. The campus reopened today nine months after an attack by Somalia-based al-Qaeda linked al-Shabaab Islamist militants. REUTERS/Thomas Mukoya 

Said Omar, a lecturer at the Garissa University College, teaches third-year students as they return to the campus in Kenya's northeast town of Garissa, January 11, 2016. The campus reopened today nine months after an attack by Somalia-based al-Qaeda linked al-Shabaab Islamist militants. REUTERS/Thomas Mukoya 

Said Omar, a lecturer at the Garissa University College, teaches third-year students as they return to the campus in Kenya's northeast town of Garissa, January 11, 2016. The campus reopened today nine months after an attack by Somalia-based al-Qaeda linked al-Shabaab Islamist militants. REUTERS/Thomas Mukoya 

Said Omar, a lecturer at the Garissa University College, teaches third-year students as they return to the campus in Kenya's northeast town of Garissa, January 11, 2016. The campus reopened today nine months after an attack by Somalia-based al-Qaeda linked al-Shabaab Islamist militants. REUTERS/Thomas Mukoya. REUTERS/Thomas Mukoya 

A teaching assistant prepares before a lecture at Bucheon University in Bucheon, South Korea, November 10, 2015. Picture taken November 10, 2015. To match SOUTHKOREA-ECONOMY/STUDENTS REUTERS/Kim Hong-Ji 

A woman helps a student of the "Escola de Papai Noel do Brasil" (Brazil's school of Santa Claus) to adjust his clothes before he boarded a ferry to attend the graduation ceremony, in Rio de Janeiro, Brazil, November 10, 2015. The school holds 4 days' lessons in Santa-training, teaching Christmas carols, how to interact with children, and also how to wear the heavy red suit in Rio's typical 104-degree (40 degrees celsius) summer weather that is common around the holidays. REUTERS/Pilar Olivares 

Nihal Boudjelti, 19, asks for help to prepare her scuba gear during a training session with scuba instructor Samia Balistrou (not pictured) in Tipaza, Algeria August 16, 2015. Samia, a dive pioneer in Algeria and Africa, owns a diving club called "Under The Sea" and teaches scuba diving. According to local media, Samia was the first woman in North Africa to be a certified Divemaster, and says she has devoted her life to promote environmental awareness. REUTERS/Zohra Bensemra 

The colleagues of the Canadian teacher Neil Bantleman and Indonesian teaching assistant Ferdinand Tjiong react as their lawyer Hotman Paris Hutapea (R) reads papers from the high court, in front of reporters, in Jakarta August 14, 2015. Indonesia will free the two teachers who were jailed for sexually abusing students at an international school, the pair's lawyer said on Friday, in a case critics say was fraught with irregularities. REUTERS/Beawiharta 

Tracy Bantleman (R), wife of Canadian teacher Neil Bantleman, reacts after their lawyer Hotman Paris Hutapea (L) reads papers from the high court in Jakarta August 14, 2015. An Indonesian court will free Canadian teacher Neil Bantleman and teaching assistant Ferdinand Tjiong from Indonesia, two international school teachers who were jailed for sexually abusing students, the pair's lawyer and the brother of one of the teachers said on Friday, in a case that critics say was fraught with irregularities. REUTERS/Beawiharta 

Tracy Bantleman (L), wife of Canadian teacher Neil Bantleman, and Siska Tjiong (2nd L), wife of Indonesian teaching assistant Ferdinand Tjiong, stand as their lawyer Hotman Paris Hutapea (R) talks to reporters at a court in Jakarta August 14, 2015. An Indonesian court will free Neil Bantleman and Ferdinand Tjiong from Indonesia, two international school teachers who were jailed for sexually abusing students, the pair's lawyer and the brother of one of the teachers said on Friday, in a case that critics say was fraught with irregularities. REUTERS/Beawiharta 

Siska Tjiong (C), wife of Indonesian teacher Ferdinand Tjiong, embraces lawyer Hotman Paris Hutapea (R) at the court in Jakarta August 14, 2015. An Indonesian court will free Canadian teacher Neil Bantleman and teaching assistant Ferdinand Tjiong from Indonesia, two international school teachers who were jailed for sexually abusing students, the pair's lawyer and the brother of one of the teachers said on Friday, in a case that critics say was fraught with irregularities. REUTERS/Beawiharta 

Tracy Bantleman (R), wife of Canadian teacher Neil Bantleman, reacts while listening to their lawyer Hotman Paris Hutapea (L) read papers from the high court in Jakarta August 14, 2015. An Indonesian court will free Canadian teacher Neil Bantleman and teaching assistant Ferdinand Tjiong from Indonesia, who were jailed for sexually abusing students, the pair's lawyer and the brother of one of the teachers said on Friday, in a case that critics say was fraught with irregularities. REUTERS/Beawiharta TPX IMAGES OF THE DAY

A student is helped by his teacher to build a dinosaur robot during the annual robotics fair supported by the Bolivian Education Ministry in La Paz, August 10, 2015. REUTERS/David Mercado 

A police stands guard outside the abandoned former Asia Television Limited (ATV) studio in Hong Kong, China June 15, 2015. Hong Kong police seized explosives and arrested nine members of a radical political group on Monday, including a student and a teaching assistant, media in the city reported. The explosives seized were triacetone triperoxide (TATP), according to a report in the South China Morning Post, which cited a police source. REUTERS/Tyrone Siu 

Policemen lead their dogs to search for evidence after finding explosives at an abandoned former Asia Television Limited (ATV) studio in Hong Kong, China June 15, 2015. Hong Kong police seized explosives and arrested nine members of a radical political group on Monday, including a student and a teaching assistant, media in the city reported. The explosives seized were triacetone triperoxide (TATP), according to a report in the South China Morning Post, which cited a police source. REUTERS/Tyrone Siu