Summary:
In zip code 78071, there is one high school, Three Rivers Junior/Senior High School, serving grades 7 through 12 in the rural community of Three Rivers, Texas, with a total enrollment of 254 students.
Three Rivers Junior/Senior High School presents a mixed academic profile. The school benefits from a very low student-teacher ratio of 7.2:1 and high per-pupil spending of $18,788, which typically supports individualized attention. However, academic performance is uneven. The school excels in Biology and U.S. History End-of-Course exams, consistently outperforming state averages. In contrast, it struggles significantly in Algebra I and 8th Grade Social Studies, where proficiency rates are well below state averages. The school's state ranking has also been volatile, earning a 3-star rating in the 2023-2024 and 2025-2026 school years, but dropping to a 2-star rating in 2024-2025. The school is part of the Three Rivers Independent School District (Isd), which is ranked 704 out of 951 districts in Texas.
Several key findings stand out. The most alarming data point is a dramatic drop in 8th Grade Reading proficiency, which fell from 38.3% in 2024-2025 to just 16.67% in 2025-2026. Similarly, Algebra I proficiency has been a persistent weakness, dropping to 26.67% in 2025-2026. Despite these low test scores, the school maintains a high graduation rate of 92.6% and a low dropout rate of 1.3%, creating a paradox where students are retained and graduate but many do not demonstrate proficiency on state assessments. Year-over-year performance is also inconsistent, with some subjects like 7th Grade Reading and U.S. History showing large jumps while others decline, suggesting performance may be heavily influenced by specific student cohorts rather than a consistent school-wide system.
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