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Indian Prairie review: state resets proficiency benchmarks; district posts strong AP participation and mixed growth indicators
Summary
District staff reviewed the Illinois School Report Card changes and Indian Prairie—s results. Statewide benchmark realignment altered proficiency comparisons; the district highlighted gains in AP participation and maintained a 95.1% graduation rate while chronic absenteeism declined to about 15.8%. Two schools were designated "targeted."
District staff presented the Illinois School Report Card and explained major changes to benchmarks and summative school designations during the Nov. 3 board meeting.
Dr. Sarah Mumm, who led the presentation, told the board Illinois changed proficiency cut scores and the report card format after multi‑year review and educator input. She said the state narrowed and realigned proficiency categories to make them consistent across assessments (IAR, PSAT, ACT) and to set performance level descriptors that are comparable across tests. Because the state adjusted cut scores, Mumm said, year‑to‑year proficiency percentages are not directly comparable; instead she urged attention to student growth measures, which the state designed to be "test agnostic."
Mumm summarized district highlights and areas for improvement: Indian Prairie reported six exemplary schools and 23 commendable schools; two schools (Lawnwood and Owen) were designated targeted this year and will enter a planning year. The district reported about 4,000 students participated in Advanced Placement courses this year and students took roughly 8,600 AP exams; 89% of students who took exams scored a 3 or higher on at least one exam. The district—s graduation rate was 95.1% and ninth‑grade on‑track rates remain high.
Mumm also reviewed other indicators: the district—s eighth‑grade Algebra participation and passing measure is around 50% (state average ~30.8%); chronic absenteeism across the district declined to about 15.8% this year. She said the state—s new proficiency cut scores may increase ELA and math proficiency percentages by roughly 10–12 percentage points versus prior years because of the re‑righting of cut scores, while science benchmarks were raised and may show lower proficiency compared with last year.
Board members discussed how to communicate the changes to families. Board member Mister Rising urged clearer messaging, stressing that changes to proficiency benchmarks do not equal changes to academic standards. "There's a difference between standards and proficiency and growth," he said, urging district communications to explain that proficiency is a snapshot of how a student performed on a given test, not a direct measure of classroom grades or standards mastery.
Why it matters: The state changes affect how the public reads proficiency rates on the report card. District leaders said student growth and multiple indicators give a fuller picture of performance and should guide school improvement work and public communication.
Provenance: Presentation and Q&A led by Dr. Sarah Mumm; board members asked clarifying questions about proficiency, growth, attendance and how summative designations are calculated.
