Each period is 1 hour and 30 minutes long with five minutes in between, students can go to their lockers during these five minutes.
Students can go to their lockers during these five minutes. Each period is 87 minutes long with five minutes of passing time in between.
Each period is 87 minutes long with five minutes of passing time in between. Students can go to their lockers during these five minutes.
Each period is 87 minutes long with five minutes of passing time in between. Students can go to their lockers during these five minutes.