State law (Revised Code of Washington [RCW] 28A.320.130) requires the Office of Superintendent of Public Instruction (OSPI) to annually report to the Legislature the number of incidents in violation of RCW 9.41.280, which involves the possession of weapons on school premises, transportation systems, or in areas of facilities while being used exclusively by public or private schools. This update reports on the 2,275 incidents involving the possession of a weapon and the resulting interventions that were reported by Washington's public and private schools for the 2022-2023 school year.