Summary:
The Prosper Independent School District (Isd) in Texas is home to three high-performing high schools—Prosper High School, Rock Hill High School, and Walnut Grove High School—serving a total of 8,463 students across grades 9-12 in a thriving suburban area.
Walnut Grove High School stands out as the top performer, earning a 5-star rating and ranking 165th in Texas (92nd percentile) for the 2025-2026 school year. It leads the district with the highest proficiency rates in Biology (94.95%), English I Reading (87.24%), and English II Reading (87.48%), and boasts the lowest dropout rate at 0.1%. Rock Hill High School is a strong competitor, achieving the best U.S. History proficiency rate (91.95%) and a favorable student-teacher ratio of 13.8:1, along with the highest per-student spending ($10,242). Prosper High School, the largest school with 3,753 students, has the lowest state ranking among the three (88th percentile) and trails in several subjects, though it still maintains a 99% graduation rate. All three schools share an exceptionally high graduation rate of 99% and very low dropout rates (0.1% to 0.3%), reflecting a district-wide commitment to student success.
A key anomaly is Algebra I performance: all three schools show proficiency rates (29% to 36%) far below the district average of 68.61%, likely because students taking this test are retaking it after failing in middle school. Despite this, the district ranks in the 96th percentile statewide and earns a 5-star rating, with Walnut Grove High School’s rapid ascent as the newest school demonstrating that effective school culture and leadership can drive top-tier results even without the highest spending or lowest class sizes.
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