A pre-school teacher speaks to a boy as he sits on his mother at their kindergarten after it reopened as Israel began easing a second nationwide coronavirus disease (COVID-19) lockdown, in Tel Aviv, Israel October 18, 2020. REUTERS/Amir Cohen

A girl hugs her pre-school teacher, wearing a protective face mask, at their kindergarten after it reopened as Israel began easing a second nationwide coronavirus disease (COVID-19) lockdown, in Tel Aviv, Israel October 18, 2020. REUTERS/Amir Cohen

A pre-school teacher wears a protective face mask while sitting next to children at their kindergarten after it reopened as Israel began easing a second nationwide coronavirus disease (COVID-19) lockdown, in Tel Aviv, Israel October 18, 2020. REUTERS/Amir Cohen

A teacher gives a class at a kindergarten at the Chengbei Ganen Community, a residential complex built for a relocation programme as part of China's poverty alleviation effort, in Yuexi county, during a government-organised media tour in Liangshan Yi Autonomous Prefecture, Sichuan province, China September 11, 2020. Picture taken September 11, 2020. REUTERS/Tingshu Wang

A teacher wearing protective gear plays with her students in a kindergarten, during the reactivation of several economic sectors after the end of quarantine due to the coronavirus disease (COVID-19), in Bogota, Colombia September 25, 2020. Picture taken September 25, 2020. REUTERS/Luisa Gonzalez

Teachers wearing protective gear teach their students in a kindergarten, during the reactivation of several economic sectors after the end of quarantine due to the coronavirus disease (COVID-19), in Bogota, Colombia September 25, 2020. Picture taken September 25, 2020. REUTERS/Luisa Gonzalez

Emily Quintero, 3, wearing a mask plays with her teacher, in a kindergarten, during the reactivation of several economic sectors after the end of quarantine due to the coronavirus disease (COVID-19), in Bogota, Colombia September 25, 2020. Picture taken September 25, 2020. REUTERS/Luisa Gonzalez

Emily Quintero, 3, wearing a mask plays with toy blocks with her teacher in a kindergarten, during the reactivation of several economic sectors after the end of quarantine due to the coronavirus disease (COVID-19), in Bogota, Colombia September 25, 2020. Picture taken September 25, 2020. REUTERS/Luisa Gonzalez

Kindergarten teacher Princess Bryant prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans the surfaces of her classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant and paraprofessional Emily Lichtenstein (R) clean the surfaces of their classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant and paraprofessional Emily Lichtenstein (R) clean the surfaces of their classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Hand washing instructions hang over a sink in the classroom of kindergarten teacher Princess Bryant as she prepares for the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans the surfaces of her classroom before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant meets one of her incoming students and parents remotely before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans up and prepares her classroom, from where she will begin the new school year teaching classes virtually, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant meets one of her incoming students and parents remotely before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans up and prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant meets one of her incoming students and parents remotely before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant and paraprofessional Emily Lichtenstein (L) meet their incoming students and parents remotely before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant meets one of her new students, five year-old Aryanee Cruz, and Cruz's mother Astrid and brother Ryand before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant cleans up and prepares her classroom, from where she will begin the new school year teaching classes virtually because of the coronavirus disease (COVID-19) pandemic, at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant and one of her new students, five year-old Aryanee Cruz, look through the backpack off school supplies Cruz picked up before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

Kindergarten teacher Princess Bryant meets one of her new students, five year-old Aryanee Cruz, while Cruz was picking up her new Chromebook before the first day of classes in the new school year at the Tynan Elementary School in Boston, Massachusetts, U.S., September 18, 2020. Bryant will begin the school year teaching classes virtually from her classroom because of the coronavirus disease (COVID-19) pandemic. REUTERS/Brian Snyder

A kindergarten teacher distributes food to students at a school, as schools reopen amid the coronavirus disease (COVID-19) outbreak, in Putrajaya, Malaysia July 1, 2020. REUTERS/Lim Huey Teng

A kindergarten teacher teaches students to sanitise their hands during a class at a school, as schools reopen amid the coronavirus disease (COVID-19) outbreak, in Putrajaya, Malaysia July 1, 2020. REUTERS/Lim Huey Teng

Kindergarten students from the Wichuthit school wearing face masks have their temperature checked and received sanitizer gel from teachers before entering their school during a rehearsal social distancing and measures to prevent the spread of the coronavirus disease (COVID-19) ahead of nationwide school reopening in Bangkok, Thailand, June 23, 2020. REUTERS/Athit Perawongmetha

Children listen to the explanations of teacher Angela Melad on how to wash their hands at the KiGa Hutten kindergarten during the first day back as Switzerland eases the lockdown measures during the coronavirus disease (COVID-19) outbreak in Zurich, Switzerland May 11, 2020. REUTERS/Arnd Wiegmann

A teacher shows children how to wash their hands at her kindergarten as Israeli preschools opened under the further easing of restrictions to prevent the coronavirus disease (COVID-19) spread, in Jerusalem May 10, 2020. REUTERS/Amir Cohen

A teacher shows children how to wash their hands at her kindergarten as Israeli preschools opened under the further easing of restrictions to prevent the coronavirus disease (COVID-19) spread, in Jerusalem May 10, 2020. REUTERS/Amir Cohen

Kindergarten teachers and others wear face masks as they protest against the government plan to reopen kindergartens and schools for young children, as the spread of the coronavirus disease (COVID-19) continues, at Rabin square, Tel Aviv Israel April 30, 2020 REUTERS/ Amir Cohen

Kindergarten teachers and others wear face masks as they protest against the government plan to reopen kindergartens and schools for young children, as the spread of the coronavirus disease (COVID-19) continues, at Rabin square, Tel Aviv Israel April 30, 2020 REUTERS/ Amir Cohen

Kindergarten teachers and others wear face masks as they protest against the government plan to reopen kindergartens and schools for young children, as the spread of the coronavirus disease (COVID-19) continues, at Rabin square, Tel Aviv Israel April 30, 2020 REUTERS/ Amir Cohen

Kindergarten teachers and others wear face masks as they protest against the government plan to reopen kindergartens and schools for young children, as the spread of the coronavirus disease (COVID-19) continues, at Rabin square, Tel Aviv, Israel April 30, 2020. The words on the placard in Hebrew read " The government does not care for the small businesses". REUTERS/ Amir Cohen

Israeli kindergarten's teachers and others wear face masks as they protest against the government plan to reopen kindergartens and schools for young children, as the spread of the coronavirus disease (COVID-19) continues, at Rabin square, Tel Aviv Israel April 30, 2020 REUTERS/ Amir Cohen

Israeli kindergarten's teachers and others wear face masks as they protest against the government plan to reopen kindergartens and schools for young children amid the coronavirus disease (COVID-19) outbreak at Rabin square, Tel Aviv, Israel April 30, 2020. The words on the placard in Hebrew read " A kindergarten teacher from the - Heart". REUTERS/ Amir Cohen

Israeli kindergarten's teachers and others protest against the government plan to reopen kindergartens and schools for young children amid the coronavirus disease (COVID-19) outbreak at Rabin square, Tel Aviv, Israel April 30, 2020. REUTERS/ Amir Cohen

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant rests after teaching her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant prepares to teach her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder TPX IMAGES OF THE DAY

Boston Public School teacher Princess Bryant teaches her kindergarten class via video-conference from her apartment after schools were closed for the remainder of the school year because of the coronavirus disease (COVID-19) outbreak in Boston, Massachusetts, U.S., April 28, 2020. REUTERS/Brian Snyder

Teachers speaks inside an empty classroom in a closed school during the first day of a two-week clousure of all kindergartens, schools and universities in the Madrid region as a precaution against coronavirus in Madrid, Spain, March 11, 2020. REUTERS/Sergio Perez

Teachers speaks inside an empty classroom in a closed school during the first day of a two-week clousure of all kindergartens, schools and universities in the Madrid region as a precaution against coronavirus in Madrid, Spain, March 11, 2020. REUTERS/Sergio Perez

A teacher stands inside an empty classroom in a closed school during the first day of a two-week clousure of all kindergartens, schools and universities in the Madrid region as a precaution against coronavirus in Madrid, Spain, March 11, 2020. REUTERS/Sergio Perez

A teacher raises a shutter inside an empty classroom in a closed school during the first day of a two-week clousure of all kindergartens, schools and universities in the Madrid region as a precaution against coronavirus in Madrid, Spain, March 11, 2020. REUTERS/Sergio Perez

An Zhifei, one of An Hui's and Ye Jianbin's three sons, hugs his teacher as he and his brothers arrive at a kindergarten in Shenzhen, Guangdong province, China September 18, 2018. The triplets were conceived with the help of a German egg donor. REUTERS/Jason Lee SEARCH "LGBT TRIPLETS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A riot police water cannon releases a jet of water on kindergarten teachers as they demonstrate outside the government house requesting better work conditions in Santiago, Chile December 10, 2018. REUTERS/Ivan Alvarado TPX IMAGES OF THE DAY