VAN NUYS (CBS) — The Los Angeles Board of Education voted Tuesday to begin the process of revoking the three-year-old charter of Birmingham Community Charter High School.

The Lake Balboa campus has until May 23 to address alleged problems, including the handling of disabled students and expulsions, according to a report in the Los Angeles Times.

Los Angeles Unified School District officials accuse school officials of turning away students who had a right to enroll at the school, including some who were disabled and others who were entitled to being reinstated. They also accused the school of expelling too many students, some for questionable offenses, including one who laughed when a teacher tripped, according to The Times.

There also is a financial dispute between the district and Birmingham, The Times reported. The school claims that the district has improperly withheld millions of dollars in state funding; however, the district says it is owed a substantial sum for utilities at the district-owned 72-acre campus.