Mercer Island schools say teaching staff are highly experienced; HR flags leave and part‑time costs as budget pressures

Mercer Island School District human resources staff told the school board at a special study session that the district''s certificated workforce is concentrated among highly experienced, well‑educated teachers and that new state paid‑leave rules and some part‑time staffing patterns have created unpredictable budget impacts.

The HR presentation, led by HR staff member Aaron and certificated HR coordinator Angela Walker, used a scattergram to show projected placements for next year. "This is what's called a scattergram," Angela Walker said, explaining the chart plots experience steps against education levels; the largest cluster, she said, is at "masters plus 90 and 19," representing the district's most common placement.

Why it matters: the board heard that the District attracts and retains veteran teachers, which supports classroom continuity, but that a set of budget variables ' including paid family and medical leave, midyear leaves and overlapping…