The STEM AC 2021-2022 Professional Learning grant (PL) supports schools and districts through awarding one to three-year grants to support STEM learning, STEM professional development, and STEM-related needs. Since 2016, UEPC has partnered with STEM AC to determine the effectiveness and student level outcomes of program activities of the PL grant. The 2021-2022 annual report details program outcomes, overall evaluation findings, and program considerations for the 2022-2023 program year.