In the interests of academic honesty, the district should purge its Web site of references to the academic superiority of the ethnic-studies program. And its directors should desist in their evidently specious claims as well.

Students from Tucson High School’s MEChA club march from St. John’s Catholic Church to San Xavier Mission to honor illegal immigrants who died crossing the Arizona desert.

For years, the Tucson Unified School District has answered critics of its controversial $2.3 million ethnic-studies program with a persuasive retort:

Yes, the program effectively divides minority students into racial enclaves to study civics and history. But students in ethnics-studies classes perform better academically as a result.