A court upheld most provisions of an Arizona state law used to prohibit a controversial Mexican-American Studies curriculum in Tucson on Friday.

The ruling dealt a blow to supporters of the suspended classes, who had hoped the courts would overturn a 2010 law championed by Arizona conservatives determined to shut down the unconventional courses.

“I was really surprised at the decision,” Jose Gonzalez, a former teacher of Tucson's suspended Mexican-American Studies classes, told The Huffington Post. “But as a student and teacher of history, I know in civil rights cases like this there’s always setbacks.”

Read more at the Huffington Post