The union has 128,300 members, including 72,800 teachers working in the city's 1,100 schools.
All schools have free lunch for the school staff, including students and teachers.
The whole school body, including teachers, students, and staff, help during this event.
This group had about 300 members, including teachers, doctors and scientists.
In 2012 there is approximately 300 students and 60 staff including teachers.
A huge slice of the money helped pay for 100 more staff members, including 80 teachers.
The problem is also more common in people with jobs that keep them on their feet, including nurses and teachers.
Five other school employees, including at least two teachers, were also put on leave in connection with the investigation.
There are 130,000 employees in the public school system, including 80,000 teachers and 1,400 principals.
The district had 14,633 students and more than 3,000 employees, including 1,232 certified teachers.