Summary:
In zip code 75755 (Big Sandy, Texas), there are three high schools serving grades 9-12: Harmony High School, Big Sandy High School, and Trinity Charter Schools - Big Sandy Campus, which vary widely in size, performance, and resources.
Harmony High School is the standout school in the area, earning a 4-star rating and ranking its district, Harmony Independent School District (Isd), in the top 18% of Texas districts. It significantly exceeds state averages in Biology (81.43% vs. 70.51%), English I Reading (80.28% vs. 55.43%), and English II Reading (77.33% vs. 59.88%), with a 97.1% graduation rate and a very low 0.3% dropout rate. In contrast, Big Sandy High School is a middle-of-the-pack performer with a 2-star rating, but it shows positive momentum—its state ranking has improved from the 41st to the 53rd percentile over three years, and it achieved a perfect 100% graduation rate in 2023-2024. Big Sandy also outperforms the state average in U.S. History (78.57% vs. 70.17%). Trinity Charter Schools - Big Sandy Campus is a very small charter school (18 students) with a 0-star rating and the lowest performance, including 0% proficiency in Algebra I, despite spending the most per student ($20,923).
Key takeaways include that Harmony and Big Sandy serve similar economically disadvantaged populations (44% and 48% free/reduced lunch, respectively), yet Harmony achieves far better academic results, suggesting factors like curriculum and teaching quality drive its success. Trinity Charter’s high spending with low outcomes highlights inefficiency, while Algebra I remains a universal challenge across all schools. For parents, Harmony offers the strongest overall academics and literacy focus, Big Sandy shows promising improvement and a strength in history, and Trinity Charter serves a unique at-risk population but struggles academically.
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