The 'Seniores' and 'Senoritas' event has been held for three years at Canyon High School in Anaheim, California.
During the events, students have dressed as gang members and as pregnant women pushing baby strollers.
However, now the 'Seniores' and 'Señoritas' event has been canceled after school officials decided the activities were insulting toward Latinos.
The Los Angeles Times reports that Orange Unified School District began an internal investigation in response to two complaints filed by former Latino students, back in June.
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Aileen M. Sterling, executive director of secondary education for the school district, wrote in an Aug. 10 letter: "I conclude there was a lack of oversight/supervision and that the school administration should not have allowed this activity."
"Even if strict guidelines were provided, the result would still lead to hurtful and demeaning messages about the Mexican culture and to the students of the Mexican, Hispanic and Latino descent."
Sterling also said that the high school campus administration will undergo diversity and sensitivity training, and that the [predominantly white] school will offer an ethnic studies class for students.