Responding to the Los Angeles Unified School District?s unilateral decision to increase class sizes---in some cases to over forty-one students per classroom---United Teachers-Los Angeles filed an unfair labor practices charge with the state Public Employment Relations Board on Tuesday. While the District has claimed that provisions regarding state funding cuts give them the power to increase class sizes, and that most classes will still be within contractual limits, the union has argued that the decision endangers students? educational opportunities and teachers? safety in classes for emotionally disturbed students. Barring a court injunction sought by the teachers? union, the two-student per class increase will go into effect in most fourth to twelfth-grade classes in year-round schools next month, and in regular academic calendar schools this fall.