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Arlington ISD reports beginning-of-year screeners and warns about MAP renorming effects
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Summary
District leaders reported beginning-of-year literacy and math screeners and explained how the 2025 NWEA MAP renorming changes percentile interpretation of identical RIT scores; officials outlined targeted coaching, prescriptive lessons and contracted supports to address areas of need, including a noted drop in entering third-grade math.
Arlington ISD presented results of beginning-of-year literacy and mathematics screeners on Nov. 6 and warned trustees about interpreting scores following a national renorming of the NWEA MAP assessment.
Dr. Stephen Wirtz explained that MAP’s 2025 norms shift the percentile interpretation of the same RIT score compared with 2020 norms: "If you walk in with a 240 RIT score now, it looks like you're sitting in the 60th percentile," he said, meaning percentile ranks are not directly comparable to earlier years. Wirtz and Dr. Champion then reviewed district starting points by grade and subject: examples cited included a Pre-K composite mastery of 44%, kindergarten mCLASS reading at 55% and kindergarten math at 74%; for third grade, MAP math starting points were reported at about 38% for the current cohort, lower than the prior cohort.
Administrators stressed that the presentation covered beginning-of-year (diagnostic) results only and that the board’s adopted end-of-year goals reference prior norms; the district intends to reestablish targets under the new 2025 MAP norms for the next year. To address identified needs, the administration described multiple strategies: embedded professional learning, targeted coaching, prescriptive lesson plans tied to progress monitoring, extended learning, math and reading tutoring, campus-specific support plans and work with an external contractor (Bailey Education Group) to provide teacher coaching.
Trustees engaged with the presenters on how to interpret year-to-year changes and where deficits appeared by cohort and campus; Superintendent Smith and trustees asked for continued data breakdowns to pinpoint root causes and campus-level interventions.
What’s next: Administration will continue progress monitoring and prepare revised goals and targets using 2025 MAP norms for future reporting.
