Berkeley Improv:

Youth Classes, grades 6-10

Wednesday evenings in Berkeley

http://www.berkeleyimprov.com/you2017

Berkeley Repertory School of Theater:

Youth Improv Class, grades 6-8

Thursdays 4:30-6:30 in Berkeley

https://www.berkeleyrep.org/school/classes-youth.asp

Pan Theater:

Youth Classes, grades 4-6

Tuesdays 4:00-6:00 in Oakland

Teen Improv Workshop

Wednesdays 4:30-6:30 in Oakland

http://www.pantheater.com/kids-improv-acting-classes.html

Bay Area Theater Sports (BATS) School of Improv:

Youth Classes, ages 11-18

Various days in San Francisco

http://www.improv.org/school/youth-classes/

Improvalicious for Kids:

Classes for kids in Berkeley

https://improvalicious.wordpress.com/classes/#Kids

Creatures of Impulse:

Teen improv Troupe, ages 14-17 (by audition)

Shows in February and December

http://www.firehousearts.org/coi/