course session
class period
recitation

Over the years, the class periods have gone from 35 minutes to 70.

Here, Islamic education is one class period out of many in the school day.

There are seven class periods per day, the first period beginning at 6:55 am.

Social studies, mathematics and science are taught in a 55-minute class period.

Now for the 2011-2012 school year, students have seven class periods.

Now she uses a school library computer during a class period to take a personal business course.

They also have science with a separate teacher every day for one class period.

Remember heading for the hall every 40 minutes or so, as class periods changed?

All class periods are 85 minutes in length, meeting 5 times per week.

There, students are allowed to come watch the shows during class periods.