www.edweek.org/rc/issues/achievementgap: The Achievement Gap defined and researched by a top education research group.

www.wikipedia.org/wiki/Achievement_gap: An overview and definition of the Achievement Gap.

www.cde.ca.gov/eo/in/se/agfactsheet.asp: Achievement Gap Fact Sheet on California.

www.edsource.org/pub_abs_achgap.cfm: Research summary of the Achievement Gap in California.

www.api.cde.ca.gov/reports.asp: California 's API results—find out how your school and district compare with others in the state.