A dozen students were arrested Thursday by Riverside County sheriff's deputies at Vista De Lago High School in Moreno Valley and another 12 were taken into custody at Elsinore High School in Wildomar, KTLA-TV, Los Angeles, reported.
The arrests, many of which took place during morning classes, followed a lengthy investigation into alleged drug sales on the two school campuses.
Authorities said deputies seized marijuana, cocaine, methamphetamine, Ectasy and prescription drugs, the TV station said. Several of the students arrested allegedly were carrying switchblades, authorities said.
The suspects were taken to a juvenile facility in Riverside.