Enrollment
676
Texas · 2024-25 NCES data
Middle school (grades 6-8) · Irving, TX
Lamar Middle
Federal NCES profile for Lamar Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 482442002730
👥 S:T ratio 45
🌟 Gifted program 70
🎓 Counselors 32
📋 Attendance 37
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lamar Middle earns 46/100 on the Resource Investment Index, with class sizes near the Texas median.
- #6 of 11
- middle schools in Irving · Resource Index
- 46
- Resource Index · Typical
- 13.8:1
- students per teacher
- 84.6%
- free-lunch eligible
Lamar Middle has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Lamar Middle ranks #6 of 11 middle schools in Irving, TX.
School address
Teachers (FTE)
49.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 14.7:1 Texas avg
-6% vs state
Free-lunch eligible
84.6%
vs 61.9% Texas avg
+37% vs state
Student-teacher ratio in context
How Lamar Middle compares with Texas and U.S. medians
What stands out at Lamar Middle
Lamar Middle is a high-poverty, mid-sized middle school in Irving, Texas, enrolling 676 students.
At 13.8:1, 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 runs somewhat above the state's typical profile, with 84.6% of students eligible for free meals.
Enrollment of 676 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 2,099 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #288.
Its student body is predominantly Hispanic or Latino (81% of enrollment) (diversity index 33/100).
Counselor availability sits well past the ASCA benchmark, roughly 338 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 25.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 16.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 147 in- and out-of-school suspensions were reported for 676 students in the 2021-22 Civil Rights Data Collection.
Irving Isd also operates Macarthur H S (2,484 students) and Irving H S (2,390 students) alongside Lamar Middle.
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 Lamar Middle compares
Lamar Middle on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▼ 6% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 84.6% | ▲ 37% | 61.9% | 51.7% |
| Enrollment | 676 | top 29% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
676
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
84.6%
free-lunch eligible
- 37% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
13.8:1
students per teacher
- 6% below state mean
Top 45% in Texas - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
25.3%
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
$12,024
per pupil, district-wide
- below Texas avg of $13,644
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 338 students, the combined health-and-guidance staffing load for this school.
Discipline context
112
in-school suspensions + 35 out-of-school
Suspension rate: 16.6 per 100 students. Combined in-school and out-of-school rate: 21.7 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 81.2%
White 9.5%
African American 5.0%
Two or More 1.8%
Asian 1.3%
American Indian / Alaska Native 1.2%
Largest group: Hispanic or Latino at 81.2% of enrollment.
Student-body diversity index 32.8/100
Simpson diversity index - at 32.8, Lamar Middle is less mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Irving Isd, which includes Lamar Middle.
$12,024
Per student
-12%
vs Texas
Avg $13,644
-28%
vs U.S.
Avg $16,593
Revenue mix
Local 45.7%
State 37.6%
Federal 16.7%
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 Lamar Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Macarthur H S | Larger | Lower economic need | Similar S:T ratio |
| Irving H S | Larger | Similar economic need | Similar S:T ratio |
| Nimitz H S | Larger | Similar economic need | Similar S:T ratio |
| Jack E Singley Academy | Larger | Lower economic need | Higher S:T ratio |
| Brandenburg El | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lamar Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,484
- Students per teacher
- 14.2:1
- Resource Index
- 50/100
- Enrollment
- 2,390
- Students per teacher
- 13.6:1
- Resource Index
- 45/100
- Enrollment
- 2,343
- Students per teacher
- 14.3:1
- Resource Index
- 45/100
- Enrollment
- 1,697
- Students per teacher
- 17.3:1
- Resource Index
- 42/100
- Enrollment
- 947
- Students per teacher
- 17.2:1
- Resource Index
- 40/100
Similar middle 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 (~676 students)
Similar student-teacher ratio (~13.8:1)
Next steps
Verify locally before acting on Lamar Middle's federal record.
- Compare Lamar Middle against another school. Compare schools
- Irving 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 Lamar Middle
How many students attend Lamar Middle?
Lamar Middle has 676 students enrolled. It is a middle school in Irving, TX.
What is the student-teacher ratio at Lamar Middle?
The student-teacher ratio at Lamar Middle is 13.8:1, which is 6% lower than the Texas average of 14.7:1 and 12% 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 Lamar Middle?
84.6% of students at Lamar Middle are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Lamar Middle?
The largest demographic group at Lamar Middle is Hispanic or Latino at 81.2% of enrollment, in Irving, TX.
What is the Resource Investment Index for Lamar Middle?
Lamar Middle has a Resource Investment Index of 46/100 (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 Lamar Middle rank among middle schools in Irving?
By Resource Investment Index, Lamar Middle ranks #6 of 11 middle schools in Irving, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Irving on the city page.
Is Lamar Middle a good school?
Lamar Middle earns 46/100 on the Resource Investment Index, with class sizes near the Texas median. 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 Irving Isd?
Besides Lamar Middle, Irving Isd also operates Macarthur H S (2,484 students), Irving H S (2,390 students), and Nimitz H S (2,343 students). See the Irving 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.