adolescence
1316
active
african
american
black
blackboard
boy
caucasian
classes
classmate
collaboration
college
desk
division
education
enjoyment
exercises
females
friendship
girl
groups
help
indoors
information
interests
lessons
males
methods
multiethnic
peers
projects
pupil
school
skills
split
student
studies
talks
tasks
techniques
teenage
time
training
university
white
work
young