South Texas Independent School District (Isd) Preparatory Academy

South Texas Independent School District (Isd) Preparatory Academy in Edinburg, TX, is a public magnet middle school serving 802 students in grades 6-8, and it consistently ranks in the top 2% of all Texas middle schools, currently sitting at #25 out of 2,335 schools statewide. This school, part of the highly-rated South Texas Independent School District (Isd), achieves academic results that are dramatically higher than nearby schools, even though about 45% of its students qualify for free or reduced lunch. For example, in 6th grade math, the school scored 81.61% proficient, while the average of nine nearby schools was just 37.3%—a gap of over 44 percentage points. The school's "floor" is essentially the neighborhood's "ceiling": the lowest reading score across any grade at Prep (84.66%) is nearly tied with the highest reading score at the best nearby school, Morris Middle (85.12%).

What makes this school stand out even more is its exceptional performance with specific student groups. It ranks #1 in the state for African American students, #9 for low socioeconomic status students, and #11 for both Hispanic and special education students, proving that its success is not just about demographics but about a fundamentally effective approach to instruction. The school also maintains a zero percent dropout rate and a favorable student-teacher ratio of 13.9:1. However, even this powerhouse has a challenge: its Algebra I end-of-course scores (77-79%), while still well above the state average of 54%, are its lowest high-stakes test scores, suggesting that the transition to high-school-level math is the toughest hurdle for students.

The contrast with the closest school, South Middle (Edinburg CISD), just 0.76 miles away, is stark. Prep ranks in the 99th percentile, while South Middle is in the 73rd percentile. In 6th grade reading, Prep scores 89% proficient versus South Middle's 59%, and in 8th grade math, it's 87% versus 63%. This geographic proximity highlights the profound impact of the magnet school model in creating a high-achieving environment. For parents seeking a school where their child can be challenged academically and where achievement gaps are actively closed, South Texas ISD Prep offers a proven, elite option that outperforms every nearby school by a wide margin.