Summary
Harry McKillop Elementary in Melissa, TX, is a high-performing K-5 school serving 1,016 students within the highly-rated Melissa Independent School District (Isd). This school has earned a 5-star rating from SchoolDigger for eight consecutive years, consistently ranking in the 94th to 96th percentile among all Texas elementary schools. Its STAAR test scores are exceptional, outperforming state averages by wide margins in every subject and grade level. For example, 5th-grade Reading proficiency reached 87.07%, nearly 30 percentage points higher than the state average. The school also demonstrates strong effectiveness across all student subgroups, including those in Special Education and from low socio-economic backgrounds, earning 5-star ratings for these groups in the 2025-2026 school year.
Harry McKillop stands out dramatically when compared to nearby schools in other districts. For instance, Joe K Bryant Elementary in Anna Independent School District (Isd) ranks in the 3rd percentile, with a 5th-grade Math proficiency rate of just 22.34%—over 55 percentage points lower than Harry McKillop’s 77.59%. Even the best-performing nearby school in McKinney Independent School District (Isd), Ruth And Harold Frazier Elementary, ranks in the 76th percentile, significantly behind Harry McKillop. Within its own district, Harry McKillop has surged ahead of its closest rival, Willow Wood Elementary, which dropped from the 96th to the 92nd percentile in recent years.
While Harry McKillop excels in Reading and Math, its Science performance, though still above state averages, is less dominant. In 2024-2025, 5th-grade Science proficiency was 64.33%, more than double the state average but a smaller margin of victory compared to other subjects. Additionally, the school’s support for Gifted and Talented students saw a notable drop from the 97th to the 74th percentile in one year, suggesting a potential area for review. Despite these minor concerns, the school operates with high efficiency, spending less per student ($8,689) than many lower-performing neighbors, such as Jose De Jesus And Maria Luisa Vega Elementary in McKinney ISD, which spent $12,059 per student but ranked in the 25th percentile. This efficiency underscores the school’s ability to translate resources into outstanding academic outcomes.
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