CASTRO EL

CASTRO EL is a low-enrollment primary school in MISSION, Texas, overseen by MISSION CISD. The school serves 328 students in grades pre-K through 5. That puts it 37% below the typical public school in Texas, which averages around 519 students.

Across the 22 schools in MISSION CISD (13,765 students total), CASTRO EL accounts for its share of the district's footprint.

For racial and ethnic makeup, CASTRO EL logs that nearly all students (98%) are Hispanic; the rest looks like 2% White.

On the resource side, The school currently runs with 23 full-time-equivalent teachers, for a student-teacher ratio near 14.6:1. The state averages about 15.1:1, putting this campus right in line with peers. An estimated 92% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a demographically-adjusted basis, CASTRO EL sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 33.8%; this one delivers 40.8%.

Around the school, the surrounding county (Hidalgo County) records that the typical household earns roughly $54,338 per year, 21% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 23%. CASTRO EL is one of 364 public schools in Hidalgo County (combined enrollment of about 212,859 students).

TEXASWORKS - MISSION is the nearest neighboring public school, about 0.7 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, CASTRO EL comes 3rd of 6 in the immediate cluster, above the nearby-schools average of 39.6%.

Geographically, the school is in a metropolitan area.

Five-year trend. Looking back 7 years, enrollment at CASTRO EL has decreased 35%, going from 503 students in 2018 to 328 in 2025.

On this page, members of the CASTRO EL community share and discuss enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.