Arbiter
NCOA high school assignments are posted here.

CIF Northern Section
Home page for the CIF Northern Section.

Honigs
Internet shopping place for officiating gear (all sports).

D-1 Sports Apparel
Internet shopping place for officiating gear (all sports).

Max Preps
Scores, rankings, photos, and stats for all sports (all states).

Purchase Officials Supplies of California
Internet shopping place for officiating gear (all sports)

Highschoolsports.net
High School sports schedules (all sports)

NFHS
National Federation of High School Sports

RefStripes.com
High School Football Discussion Forum