Summary
Trimmier Elementary in Killeen, TX, is a PK-5 school in the Killeen Independent School District (Isd) serving 672 students, and it currently faces significant academic challenges, ranking in the 17th percentile statewide with a 1-star rating for the 2025-2026 school year.
Trimmier’s overall performance is notably lower than many nearby schools, and it has been on a sharp downward trend since the pandemic. For example, Saegert Elementary, just 0.86 miles away, ranks in the 37th percentile, while Cedar Valley Elementary (1.92 miles away) ranks in the 74th percentile—a massive 57-percentile-point gap. This suggests that the challenges at Trimmier are not purely due to the student population or district policy, but are heavily influenced by school-specific factors. A critical weakness is mathematics, where proficiency rates in 2025-2026 ranged from 28.92% to 38.37%, consistently 6-18 points below state averages. Science is also a universal weakness, with 5th-grade proficiency stuck between 13-15% for three years, a problem shared by nearly all nearby schools.
Interestingly, Trimmier shows a "tale of two schools" dynamic. While English-language STAAR scores are low, Spanish-language test scores are often dramatically higher than district and state averages—for instance, 4th Grade Reading (Spanish) scored 80% proficient versus the district's 41.18% in 2025-2026. This suggests the bilingual/ESL program is highly effective for Spanish-speaking students, a success masked by overall scores. However, support for special populations has recently declined sharply, with Special Education and English Language Learner rankings dropping from the 24th and 52nd percentiles in 2023-2024 to the 5th and 6th percentiles in 2025-2026. Despite spending more per student ($10,260) than several higher-performing peers and having a favorable student-teacher ratio (13.2:1), these resources have not translated into improved outcomes, pointing to a need for more effective use of funds and instructional strategies.
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