Summary:
Zip code 77659 is served by a single high school, Hardin-Jefferson High School, which serves grades 9-12 and is part of the Hardin-Jefferson Independent School District (Isd) in Sour Lake, Texas. With an enrollment of 782 students, this mid-sized school stands out for its consistently strong academic performance, ranking in the top 20% of all Texas high schools (345th out of 2,009) and earning a 4-star rating from SchoolDigger for three consecutive years.
Hardin-Jefferson High School significantly outperforms the state average in every core subject. In the 2025-2026 school year, proficiency rates were 76.4% in Algebra I (22.4 points above the state average), 85% in Biology, 69.34% in English I Reading, 74.04% in English II Reading, and 77.08% in U.S. History. The school also boasts a high 95.7% graduation rate and an exceptionally low 0.7% dropout rate, indicating a supportive environment that successfully retains students. The student-teacher ratio is 14.3:1, and spending per student is $10,273.
A key takeaway is the school's remarkable success in Algebra I, where the proficiency gap versus the state is the largest, suggesting a particularly effective math program. The school achieves these top-tier results despite a moderate free/reduced lunch rate of 32.86%, demonstrating its ability to support students from diverse economic backgrounds. An interesting data point shows the school's Algebra I score (76.4%) is slightly lower than the district average (79.38%), which is unusual for a single-high-school district and may be a reporting nuance. Overall, Hardin-Jefferson High School provides a high-quality, well-rounded education with a clear track record of academic excellence and student support.
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