Summary:
ZIP code 39090 contains five schools in the Kosciusko School District, serving approximately 1,973 students in pre-kindergarten through 12th grade, with three elementary schools, one junior high, and one senior high. The district holds a 3-star rating and ranks 52nd of 134 Mississippi districts, while serving a high-poverty population — about 81% of students districtwide qualify for free or reduced lunch, from 76.7% at Kosciusko Senior High School to 86.5% at Kosciusko Middle Elementary.
There are several bright spots. Kosciusko Junior High School posted an extraordinary 100% Algebra I proficiency rate in 2024–2025 and remained far above state averages the following year, though its overall ranking has slipped as English Language Arts lags. Kosciusko Upper Elementary is the only campus with a consistently improving state rank, reaching the 64th percentile with strong 4th-grade math (63.6% vs. 51.5% statewide) and 5th-grade science (74.2% vs. 71.5%). Kosciusko Lower Elementary has the district's lowest chronic absenteeism at 13.3%, well below the state average of 23.9%.
However, secondary grades are a concern. Both Kosciusko Junior High School and Kosciusko Senior High School have chronic absenteeism above 26%, and the high school is the district's weakest link with only 2 stars, a 46th-percentile ranking, and below-average English II and Algebra I proficiency. The high school also saw Biology proficiency drop 19.6 points, from 77.2% to 57.6%. Meanwhile, Kosciusko Middle Elementary saw 3rd-grade math fall 19.6 points, from 63.2% to 43.6%. Kosciusko Lower Elementary also has the largest class sizes at 17.7 students per teacher, a notable challenge for the youngest learners.
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