MILLER MIDDLE

MILLER MIDDLE is a mid-sized 6-8 campus in SAN MARCOS, Texas, run under SAN MARCOS CISD. The school teaches 896 students in grades 6 through 8. Enrollment runs roughly 39% bigger than the state mean of about 643.

Within SAN MARCOS CISD, which oversees 12 schools and 8,222 students, MILLER MIDDLE is one campus in the system.

On the student-mix side, MILLER MIDDLE lists that 63% of the student body identifies as Hispanic. Other groups include 29% White, 5% Black, 3% multiracial. That is noticeably more Hispanic than the county at large, where the share is closer to 39%.

On the resource side, On paper, MILLER MIDDLE has 61 full-time-equivalent teachers, translating to a class-load average of around 14.7:1. That tracks the state average closely. Roughly 70% of students at MILLER MIDDLE qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is noticeably above Hays County's rate of about 46%.

After controlling for student poverty, MILLER MIDDLE tracks the demographic baseline. The model predicts 43.4% given the school's FRL share; actual proficiency is 43.5%.

Across the wider county, the surrounding county (Hays County) reports that median household earnings sit near $89,097, 43% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 6%. Across Hays County's 63 public schools (combined enrollment of about 46,946 students), MILLER MIDDLE is one campus in the mix.

Nearest neighbor: HERNANDEZ EL, around 0.5 miles off. Within five miles, there are 8 other public schools. On composite proficiency, MILLER MIDDLE comes 3rd of 6 in the immediate cluster, higher than the nearby-schools average of 36.8%.

Geographically, the school is in a downtown area.

Trend over the last 7 years. Looking back 7 years, enrollment at MILLER MIDDLE has increased 15%, going from 782 students in 2018 to 896 in 2025. The White share of enrollment edged down from 33% to 29% over that span.

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