Carlo Castillo

Carlo Castillo

Senior Research Analyst

Carlo Castillo is a senior research analyst for Texas 2036, where he translates statewide data into actionable insights that shape education and workforce policy for the future of Texas. He specializes in making research accessible to the policymakers, advocates, and the public.

Posts

STAAR math and reading performance by region blog featured image

2026 STAAR: Math and reading performance vary by region

June 18, 2026

Statewide, 45% of Texas students met grade-level expectations in math (3-8 math & Algebra I EOC) this spring, and 55% of Texas students met grade-level expectations in reading (3-8 reading & English I & English II). But those numbers conceal a wide range of performance across the state’s 20 Education Service Center regions. That range…

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2026 STAAR Grades 3-8 Results: What You Need To Know

June 16, 2026
The share of students reading on grade level continues to surpass pre-pandemic levels, but math tells a different story. Texas released its Spring 2026 STAAR grades 3–8 results today. When we previewed what to watch ahead of this release, we flagged the reading/math divide, where the share of students reading on grade level surpasses pre-pandemic...
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2026 STAAR EOC: Is pre-pandemic performance the goal?

June 11, 2026

Earlier this week, we shared that Spring 2026 STAAR End of Course (EOC) results showed growth compared to 2025 in every subject and across every major student group statewide. When you examine how performance varied across Texas’ 20 Education Service Center (ESC) regions, that headline mostly holds, but the story of growth underneath it is…

2026 STAAR EOC Results: Math Varies By Region In Texas

June 11, 2026

Statewide, 54% of Texas students met grade-level expectations in Algebra I this spring. But that number conceals a wide range of performance across the state’s 20 Education Service Center regions. That range becomes visible when you look at the map below. Percent of Students on Grade Level in Algebra I in 2026, by ESC Region…

2026 STAAR EOC Results Reflect Statewide Progress

June 10, 2026

The latest 2026 STAAR EOC results show encouraging progress for high school students across Texas. According to preliminary data released by the Texas Education Agency (TEA) on June 10, the percentage of students meeting grade-level expectations increased in every end-of-course subject. Students posted gains in Algebra I, Biology, English I and English II. 2026 English…

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STAAR & NAEP Results Are Coming: What to Watch

June 8, 2026
Two big education data weeks are coming to Texas. On June 10, we get STAAR End-of-Course results AND updated NAEP Long-Term Trend scores for 9- and 13-year-olds. On June 16, STAAR grades 3–8 results drop. Here’s what we’ll be watching. The National Lens: NAEP Long-Term Trends (June 10) The NAEP Long-Term Trend (LTT) provides an...
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