Mosinee School Board declines districtwide adoption of Illustrative Mathematics after split vote

The Mosinee School Board on Feb. 13 decided not to adopt the Illustrative Mathematics curriculum for full high‑school implementation after a 5‑4 roll call vote.

Board members had spent nearly two hours discussing the curriculum, pilot results and related concerns, including whether materials aligned with the district’s emphasis on basic skills and whether any language in vendor materials could affect federal funding. Paul Novinski moved to accept the administration’s recommendation to implement Illustrative Mathematics at the high‑school level; the motion was seconded by Megan (board member).

Administration and teachers told the board the district piloted Illustrative Mathematics this school year, primarily in Algebra I, and that classroom teachers reported benefits such as a coherent scope and sequence and improved lesson…