By Nicole Langarica
It is not irregular to see a school principal or assistant principal in a classroom throughout the school day. Observing new teachers and generally checking in with students and staff is a regular part of their workday. This school year, however, due to a tremendous need for substitute teachers, Fairfield-Suisun Unified School District (FSUSD) administrators are finding themselves in classrooms to cover for absent employees and maintain regular class schedules.