Summary:
This analysis examines two elementary schools in zip code 75147 (Mabank, TX), Central Elementary and Southside Elementary, both serving grades PK through 4 within the Mabank Independent School District (Isd), which is ranked in the 66th percentile statewide.
Central Elementary is the standout school, ranking in the 68th percentile (3 stars) and outperforming its peer in nearly every academic metric. In the 2025-2026 school year, Central’s 4th-grade Math proficiency rate of 76.19% was nearly double Southside’s 38.55%, and it exceeded the district average by 16.5 percentage points. Central also showed a strong positive trajectory, jumping from the 51st percentile in 2023-2024 to the 79th percentile in 2024-2025. In contrast, Southside Elementary consistently ranks in the bottom 28th percentile (1 star) and struggles to meet district and state averages, with 3rd-grade Math proficiency at just 30.26% compared to Central’s 52.80%.
A key finding is the significant performance gap despite Southside having a lower student-teacher ratio (14.9:1 vs. 16.8:1) and a higher percentage of economically disadvantaged students (81.05% vs. 71.09% free/reduced lunch). Central also spends $927 more per student ($9,247 vs. $8,320), which aligns with its superior outcomes. Additionally, Central shows inconsistent grade-level performance: its 3rd graders struggled in Reading (33.86%), but those same students as 4th graders jumped to 57.94% proficient, suggesting a highly effective 4th-grade team. This disparity highlights an equity challenge within the district, where a student’s address can dramatically impact academic outcomes.
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