• Chatham High School uses a rotating modified-block schedule.  Daily periods are 57 minutes, and science labs are embedded in the 52-minute common lunch.  Eight periods comprise the full schedule, but only six periods meet each day.  The rotation of the four-day cycle is illustrated below:
     

    Day 1

    Day 2

    Day 3

     

    Day 4

     

    1

    2

    3

    4

    2

    3

    4

    1

    3

    4

    1

    2

    Lunch/science labs

    5

    6

    7

    8

    6

    7

    8

    5

    7

    8

    5

    6






     

    Click on the link to the left to see the daily, half-day, and delayed-opening schedules.