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

Riot policemen block a sidewalk as kindergarten teachers demonstrate outside the government house requesting better work conditions in Santiago, Chile December 10, 2018. REUTERS/Ivan Alvarado

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

Kindergarten teachers surround riot policemen during a demonstation outside the government house requesting better work conditions in Santiago, Chile December 10, 2018. REUTERS/Ivan Alvarado

Actor Maggie Gyllenhaal and director Sara Colangelo arrive for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Director Sara Colangelo, actors Parker Sevak and Maggie Gyllenhaal arrive for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal and director Sara Colangelo arrive for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal and director Sara Colangelo arrive for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Parker Sevak arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Director Sara Colangelo arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Director Sara Colangelo, actors Parker Sevak and Maggie Gyllenhaal arrive for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal and director Sara Colangelo arrive for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Parker Sevak arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni

Actor Maggie Gyllenhaal arrives for the premiere of "The Kindergarten Teacher" at the Toronto International Film Festival (TIFF) in Toronto, Ontario, Canada September 13, 2018. REUTERS/Mario Anzuoni