School staff will be eligible for vaccination beginning next week.
The district recently changed its public reporting system to show a cumulative case count among students and staff for the school year.
Two campuses account for more than half of the 221 people quarantining.
A special district per-pupil allotment dropped from $100 to $60 per student.
Attendance rates are down and chronic absenteeism is on the rise as the pandemic carries on.
Students returned to school Monday after a three-week campus closure.
The announcement comes as the city moves to a modified phase two.
The case declines among students and school staff follow a pattern of improving numbers in the city.
Though city health data has improved, officials say there is more work to be done.
Declines seen across the state. Lower enrollment in pre-K, kindergarten accounted for about half of the enrollment drops, officials said.