Summary:
The 78703 zip code in Austin is home to three high-performing elementary schools—Casis Elementary, Mathews Elementary, and Bryker Woods Elementary—all part of the Austin Independent School District (Isd), serving grades PK-5 (with Mathews extending to 6th grade).
Casis Elementary is the clear standout, consistently earning a 5-star rating and ranking in the 92nd to 96th percentile statewide. It boasts the largest enrollment (652 students) and the lowest percentage of students receiving free/reduced lunch (8.74%). Its 5th-grade math proficiency (87.25%) is a staggering 36 points above the district average and 40 points above the state average, suggesting an exceptionally effective math program. Mathews Elementary is a solid performer with a 4-star rating and an 88th percentile state ranking, notable for having the highest rate of economic disadvantage (34.7% free/reduced lunch) yet still achieving strong results—its 6th-grade reading score (86.11%) outperforms the district by over 30 points. Bryker Woods Elementary is a strong but more volatile school, earning a 5-star rating in 2023-2024 before dropping to 4 stars, and showing a concerning dip in 4th-grade math proficiency (falling to 61.7% in 2025-2026).
Key metrics reveal interesting dynamics: Casis spends the most per student ($11,852) and performs the best, but Bryker Woods spends the least ($9,861) yet outperforms Mathews in state ranking, despite Mathews spending $1,537 more per student. This suggests that factors like parental involvement and community resources play a significant role. Overall, families in 78703 have excellent options, with Casis leading in academic rigor, Mathews demonstrating resilience with a diverse student body, and Bryker Woods offering a smaller, community-focused environment with some recent challenges in math.
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