The top reported proficiency rate is 34% in Math. The lowest is 8% in Social studies.
Original Research by School Decision on Mary Harper Middle
Mary Harper Middle serves grades six through eight in Dilley, a small working-class town in far southern Frio County where employment is rooted in corrections, agricultural services, energy, and the school district itself. The school sits on the west side of town, part of Dilley ISD's campus cluster, in a community where most families work locally and affordability is a defining feature of the housing market.
Academically, the school's state assessment results show wide performance variation by grade level and subject. In mathematics, sixth graders show limited proficiency, but performance rises notably in eighth grade where it reaches a level closer to the midpoint. English language arts is more stable across grades, running in the low-to-moderate range with eighth grade slightly stronger. Science and social studies results are considerably lower, with science in particular showing minimal mastery-level performance and social studies showing very low proficiency overall. The school's overall proficiency index places it at or slightly above the midpoint when compared to other districts in Frio County, reflecting these uneven results.
The student body is small, with fewer than a couple hundred students evenly distributed across the three grade levels. A substantial share of students qualify for free or reduced-price lunch, indicating economic need in the enrollment. The school is overwhelmingly Latino, with only a handful of white students; race and ethnicity data for the school reflect the broader composition of the town and region.
The district is in the midst of meaningful capital expansion. Voters approved a school bond in May 2025 that funds a new Career and Technical Education facility, a performing arts center, and an upgraded athletic training facility. The district is now in the design phase for the CTE building, which will add dedicated space for culinary, media, floral design, HVAC, healthcare, and transportation programs. This bond will affect local property taxes and represents a lasting commitment to expanding academic and technical pathways that will take shape over the coming years.
The district has also adopted a District of Innovation Plan running through 2028, which grants it exemptions from certain state education code requirements to increase local control. Among other changes, this plan allows certified teachers to teach subjects and grade levels outside their primary certification, and it modifies site-based governance structures. Parents should be aware this means some teachers may teach outside their traditional specialty areas.
Mary Harper Middle is a small school in a small district serving a economically working community. The academic performance data suggests students at each grade level are at different points in their math and literacy development, with significant support needs evident particularly in science and social studies. The school's immediate context includes new infrastructure investment through the district bond, which should expand vocational and arts offerings in coming years, and the reopening of a large regional detention facility in 2025 that is expected to be a major employer and possibly affect community dynamics and school enrollment. A parent weighing this school would want to ask directly about targeted academic support in the lower-performing subjects and about how the coming CTE expansion will be integrated into the middle school curriculum.
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