Enrollment
392
Texas · 2024-25 NCES data
Other / mixed grade configuration · Port Isabel, TX
Derry El
Federal NCES profile for Derry El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataOther / mixed grade configurationNCES 483525003987
👥 S:T ratio 44
🌟 Gifted program 70
🎓 Counselors 22
📋 Attendance 22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Derry El earns 39/100 on the Resource Investment Index, with class sizes near the Texas median. It is also less racially and ethnically mixed than most Texas schools.
- #3 of 3
- schools in Port Isabel · Resource Index
- 39
- Resource Index · Typical
- 14:1
- students per teacher
- 89.7%
- free-lunch eligible
Derry El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Derry El ranks #3 of 3 schools in Port Isabel, TX.
School address
District: Point Isabel Isd · Texas
NCES ID 483525003987 Verify on NCES CCD record →
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
14:1
vs 14.7:1 Texas avg
-5% vs state
Free-lunch eligible
89.7%
vs 61.9% Texas avg
+45% vs state
Student-teacher ratio in context
How Derry El compares with Texas and U.S. medians
What stands out at Derry El
Derry El is a high-poverty, mid-sized combined-grade school in Port Isabel, Texas, enrolling 392 students.
At 14:1, its student-teacher ratio sits close to the Texas median, within a few percentage points of the 14.7:1 state norm, neither notably crowded nor notably small.
Economic need is high: 89.7% of students qualify for free meals, 45% above the Texas average, a Title I-weighted population that federal funding formulas prioritise.
With 392 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Against 1,532 statewide peers matched on enrollment and economic need, it ranks mid-pack at #801.
Its student body is predominantly Hispanic or Latino (90% of enrollment), among the less diverse in the state (diversity index 18/100).
Counselor availability sits well past the ASCA benchmark, roughly 392 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 31.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 27.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Point Isabel Isd also operates Port Isabel H S (585 students) and Garriga El (410 students) alongside Derry El.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Derry El compares
Derry El on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 5% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 89.7% | ▲ 45% | 61.9% | 51.7% |
| Enrollment | 392 | top 65% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
392
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
89.7%
free-lunch eligible
- 45% above the Texas average of 61.9%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
14:1
students per teacher
- 5% below state mean
Top 47% in Texas - lower ratio than 53% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
31.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,181
per pupil, district-wide
- above Texas avg of $13,644
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 392 students, the combined health-and-guidance staffing load for this school.
Discipline context
30
in-school suspensions + 0 out-of-school
Suspension rate: 7.7 per 100 students. Combined in-school and out-of-school rate: 7.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 90.3%
White 8.4%
Two or More 0.5%
African American 0.3%
Asian 0.3%
American Indian / Alaska Native 0.3%
Largest group: Hispanic or Latino at 90.3% of enrollment.
Student-body diversity index 17.7/100
Simpson diversity index - at 17.7, Derry El is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Point Isabel Isd, which includes Derry El.
$14,181
Per student
+4%
vs Texas
Avg $13,644
-15%
vs U.S.
Avg $16,593
Revenue mix
Local 63.8%
State 8.4%
Federal 27.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Derry El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Port Isabel H S | Larger | Similar economic need | Similar S:T ratio |
| Garriga El | Similar size | Similar economic need | Similar S:T ratio |
| Port Isabel J H | Similar size | Similar economic need | Lower S:T ratio |
| Cameron Co J J a E P | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Derry El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 585
- Students per teacher
- 13.3:1
- Resource Index
- 46/100
- Enrollment
- 410
- Students per teacher
- 14.1:1
- Resource Index
- 47/100
- Enrollment
- 396
- Students per teacher
- 12.4:1
- Resource Index
- 48/100
- Enrollment
- 3
- Students per teacher
- -
- Resource Index
- 30/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~392 students)
Similar student-teacher ratio (~14:1)
Next steps
Verify locally before acting on Derry El's federal record.
- Compare Derry El against another school. Compare schools
- Point Isabel Isd's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Derry El
How many students attend Derry El?
Derry El has 392 students enrolled. It is a public school in Port Isabel, TX.
What is the student-teacher ratio at Derry El?
The student-teacher ratio at Derry El is 14:1, which is 5% lower than the Texas average of 14.7:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Derry El?
89.7% of students at Derry El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Derry El?
The largest demographic group at Derry El is Hispanic or Latino at 90.3% of enrollment, in Port Isabel, TX.
What is the Resource Investment Index for Derry El?
Derry El has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Derry El rank among schools in Port Isabel?
By Resource Investment Index, Derry El ranks #3 of 3 schools in Port Isabel, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Port Isabel on the city page.
Is Derry El a good school?
Derry El earns 39/100 on the Resource Investment Index, with class sizes near the Texas median. It is also less racially and ethnically mixed than most Texas schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Point Isabel Isd?
Besides Derry El, Point Isabel Isd also operates Port Isabel H S (585 students), Garriga El (410 students), and Port Isabel J H (396 students). See the Point Isabel Isd district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.