Summary:
Zip code 39402 is served by a single high school, Oak Grove High School, a grades 9–12 campus in Hattiesburg, Mississippi, enrolling 1,750 students with a 14.3:1 student-teacher ratio. As the only high school in the zip code, it anchors the area academically and ranks in the 88th percentile statewide—27th out of 224 Mississippi high schools for 2025–2026, up from 38th in 2023–2024. The school consistently earns a 4-star rating and belongs to the Lamar County School District, which ranks in the 78th percentile among Mississippi districts.
Academically, Oak Grove outperforms state averages in every tested subject. In 2025–2026, Algebra I proficiency was 82.1% (state: 66.0%), Biology proficiency was 75.7% (state: 63.1%), and English II proficiency was 61.4% (state: 49.3%). While the district outpaced Oak Grove in Biology in 2024–2025 by 2.2 points, the school matched or beat the district in most other subjects. The graduation rate stands at 92.7%, topping both the district (91.2%) and the state (89.2%). Chronic absenteeism (21.1%) is below the state average of 23.9% but above the district rate of 18.6%. Notably, 52.11% of students qualify for free or reduced lunch, yet academic outcomes remain consistently strong.
The clearest area for growth is English II proficiency, which trails the school's math and science results by a wide margin. Oak Grove also has room to improve chronic absenteeism relative to its district, and a slight subject-level dip in Biology is worth watching. Overall, this is a school that combines strong test scores, a steadily rising state ranking, and a solid graduation rate while serving a majority economically disadvantaged student population. For families in zip code 39402, Oak Grove High School is a high-performing, improving option that consistently exceeds state benchmarks across nearly every metric.
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