California Code, Education Code - EDC § 48922

(1) Whether the governing board acted without or in excess of its jurisdiction.

(2) Whether there was a fair hearing before the governing board.

(3) Whether there was a prejudicial abuse of discretion in the hearing.

(4) Whether there is relevant and material evidence which, in the exercise of reasonable diligence, could not have been produced or which was improperly excluded at the hearing before the governing board.

(1) If school officials have not met the procedural requirements of this article.

(2) If the decision to expel a pupil is not supported by the findings prescribed by Section 48915.

(3) If the findings are not supported by the evidence.

A county board of education may not reverse the decision of a governing board to expel a pupil based upon a finding of an abuse of discretion unless the county board of education also determines that the abuse of discretion was prejudicial.