The Ministry of Health did not name the school.
The country recorded two deaths raising the tally to date to 4 677.
The number of active cases dropped to 636 after 33 people recovered.
Manicaland still has the highest number of cases at 228 followed by Masvingo with 110.
Bulawayo is down to 29 and Harare to 17 while the Midlands rose to 22.
Mashonaland Central has the lowest number of cases at 8.
Just over 11 000 people were vaccinated yesterday with 4 647 getting the first jab and 7 062 the second.