DUNCANVILLE H S

DUNCANVILLE H S, a heavily attended secondary school in DUNCANVILLE, Texas, operated by DUNCANVILLE ISD, caters to 4,399 students, covering grades 9 through 12. Enrollment runs roughly 453% bigger than the state mean of about 796.

Across the 17 schools in DUNCANVILLE ISD (11,562 students total), DUNCANVILLE H S accounts for its share of the district's footprint.

On the student-mix side, DUNCANVILLE H S shows that 55% of students identify as Hispanic, with the remaining enrollment distributed across several groups. Beyond that, the school lists 41% Black. That is visibly more Hispanic than the county at large, where the share is closer to 41%.

On the income-and-resources front, On paper, DUNCANVILLE H S has 242 full-time-equivalent teachers, translating to a class-load average of around 18.2:1. Statewide, the average ratio sits near 15.1:1, putting DUNCANVILLE H S higher than the state norm the norm. An estimated 70% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

Adjusting for the school's free-and-reduced-lunch share, DUNCANVILLE H S tracks the demographic baseline. The model predicts 43.3% given the school's FRL share; actual proficiency is 37.8%.

Around the school, Dallas County reports that median household earnings sit near $76,547, 36% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 11%. In all, Dallas County runs 771 public schools (combined enrollment of about 459,645 students), of which DUNCANVILLE H S is one.

JAMES R BILHARTZ JR EL is the nearest neighboring public school, about 0.3 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts DUNCANVILLE H S at 3rd of 9; the average score across the group is 30.3%.

Geographically, the school is in a bedroom-community area.

Trend over the last 7 years. Looking back 7 years, enrollment at DUNCANVILLE H S has rose 3%, going from 4,268 students in 2018 to 4,399 in 2025.

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