Best High Schools in Trinity, TX

Trinity, Texas is home to a single high school, Trinity High School, which serves grades 9 through 12 and is the sole high school within the Trinity Independent School District (Isd), with a current enrollment of 359 students.

Trinity High School presents a mixed picture for parents. On one hand, the school boasts an excellent graduation rate of 96.1%, indicating that nearly all students stay on track to earn their diploma. However, academic performance on state standardized tests (STAAR EOC) is below the state average in every core subject, with proficiency rates ranging from just 23.53% in Algebra I to 65.48% in Biology. The school has a favorable student-teacher ratio of 12.4:1, suggesting smaller class sizes, and spends $12,928 per student. A significant challenge is that 89.42% of students are eligible for free or reduced lunch, indicating a high level of economic need that often correlates with academic hurdles.

There are some positive trends, as the school showed notable year-over-year improvement in Algebra I and Biology between the 2024-2025 and 2025-2026 school years. However, the school's state ranking remains in the bottom third of Texas high schools, earning a 2-star rating. The data reveals a "high graduation, low test score" paradox, suggesting the school is effective at keeping students enrolled but struggles to ensure grade-level academic proficiency, particularly in math and English. Because Trinity High School is the only high school in the district, its performance directly defines the entire district's high school standing.