A burglar or burglars broke into a Bixby Knolls classroom during the school’s winter break and stole thousands of dollars worth of electronics, according to authorities.

The burglary at Barton Elementary School was discovered around 11 a.m. Thursday, according to the Long Beach Police Department. After getting a call about the break-in, officers headed to the school on Del Amo Boulevard near Orange Avenue.

“Initial investigation found that a classroom in the school had been burglarized and school property had been stolen,” Lt. James Richardson said.

The perpetrator or perpetrators got away with about $18,000 worth of electronics, police said.

Authorities are still investigating. They didn’t have any details on possible suspects or how they got into the school.

School officials couldn’t be reached Thursday. The district is on winter break until Jan. 7.