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
0/100100/10039/100
👥 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

CCD year-over-year · 2022-23 → 2023-24

-37 students YoY

Derry El shrank from 446 students in 2022-23 to 409 in 2023-24 (-8.3%).

Teacher FTE added 28.5 → 28.8 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Shrinking CCD campus

-37 students YoY 483525003987 · Port Isabel, TX Other · SMALL · TRAD

392 enr · 14:1 · 89.7% lunch · RII 39

Nearest enrollment peer: Port Isabel H S (585 students)

Derry El shrank from 446 students in 2022-23 to 409 in 2023-24 (-8.3%). Teacher FTE added 28.5 → 28.8 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →

Derry El in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Derry El reports 392 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Derry El compares

Derry El is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology

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
$15,836
per pupil, district-wide - above Texas avg of $14,348
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.

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

District finance for Point Isabel Isd reports $15,836 per pupil (NCES F-33) - open the district page for the full revenue mix.

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

Point Isabel Isd · 4 sibling schools

View district profile

Nationwide other schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

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. CCD year-over-year: 446 (2022-23) → 409 (2023-24), down 37.

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, gifted-program reporting, counselor availability, chronic absenteeism. 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.

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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