'duration of class' is correct and usable in written English.
For example, "I was surprised to learn that the duration of the class was three hours."
Interviewed representatives of educational institutions believe that changes in using electricity caused by increase in price would affect quality and duration of classes.
Modeled on the anonymous boards in 4chan, the idea is to create discrete, time sensitive, open chat rooms tied exclusively to a class and only for the duration of a class.
The implementation method differed according to the class content, though the number of students (two to five) and duration of each class (3 or 4 hours) were similar among all the classes.
Since the distribution of the classes in the database is not uniform, the errors from different classes are weighed differently (depending on the total duration of the class in the database).
For example, if both observers marked "Instructor: Lecture" at the same 13 time intervals in a 50-min class period and agreed on marking 25 instructor codes total for the duration of the class, then 13/25, or 52% of the time, the lecture code occurred for the instructor.
In that session, the young students ran, walked, skipped and otherwise kept moving for the duration of the class.
They are cut off from the outside world for the duration of the class and the use of social media and mobile devices, in particular, is off the table.
Parents of the youngest children generally stay for the duration of the class; warm cider and caramel apples are served at the end.
How many villages does Mr. Woldhek expect to have participating in Nabuur's program by the end of 2005? 3. Inform students that, for the duration of the class period, they will work together as part of their own virtual volunteer network in the spirit of Nabuur.
Teachers set pricing, which can range from $5 per student to a much more hefty sum depending on the duration of the class, according to Nathoo.
