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SCHOOL COMMUNITY·ARLINGTON ISD·NCES 480870000253

Lamar High School

1400 W LAMAR BLVD, ARLINGTON, TX 76012 · (682) 867-8300 · Tarrant County
GRADES 09–12HIGH11-CITYTITLE IREGULAR SCHOOL2,457 STUDENTS
Enrollment
2,457
High
DISTRICT 1,707 · STATE 796
Student : Teacher
15.8:1
156 FTE teachers
DISTRICT 14.9:1 · STATE 15.1:1
Free / Reduced Lunch
77%
1,888 students
DISTRICT 78% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 972329%
Grade 1062425%
Grade 1159724%
Grade 1251321%
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 65% · STATE 63% · US 70%
White
29712%
DISTRICT 16% · STATE 24% · US 43%
Hispanic
1,19349%
DISTRICT 51% · STATE 54% · US 30%
Black
82133%
DISTRICT 25% · STATE 13% · US 15%
Asian
462%
DISTRICT 5% · STATE 6% · US 6%
Two+
853%
DISTRICT 3% · STATE 3% · US 5%
Native American
110%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
40%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
1,25951%
Female
1,19849%

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
39.0%
TX avg 54.5% . +14.0pp since 2020
Mathematics
21.0%
TX avg 45.3% . +14.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 39 of every 100 students at this school read at grade level and about 21 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 14 points since 2020, while math scores are up about 14 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading4.0%35.0%20.0%41.0%
Mathematics5.0%16.0%51.0%28.0%
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.

STAAR results by year

School yearReadingMathematics
2025-2639.0%21.0%
2024-2533.0%13.0%
2023-2440.0%17.0%
2022-2329.0%11.0%
2021-2223.0%15.0%
2020-2125.0%7.0%
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
38.1%
composite math + reading, all grades
Predicted
40.9%
based on TX schools with similar FRL share
Beats by
-2.8pp
below demographic expectation

What this means: About 38% of students here test proficient in math and reading, compared with the roughly 41% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Lamar High School

Lamar High School's state test result (38.1% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Lamar High School this school2,45776.8%38.1%
Longview High School
LONGVIEW
2,27278.2%56.8%
Killeen High School
KILLEEN
2,08374.3%38.9%
Humble High School
HUMBLE
2,96076.0%42.7%
Lakeview Centennial High School
GARLAND
2,07377.7%57.4%
Westfield High School
HOUSTON
2,26474.9%27.3%
Matched among Texas high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Lamar High School ranks

Among high schools
MeasureThis schoolIn TexasIn Tarrant County
State test proficiency
ranked highest first
38.1%#1,185 of 1,385#55 of 70
Math proficiency
ranked highest first
21.0%#1,288 of 1,425
▲ 75
#63 of 76
▲ 5
Reading proficiency
ranked highest first
39.0%#1,252 of 1,425
▲ 31
#61 of 76
▲ 2
3-year test score change
ranked biggest gain first
+10.0pp#796 of 1,184#37 of 68
Enrollment
ranked largest first
2,457#176 of 2,107#13 of 120
Students per teacher
ranked fewest first
15.8:1#862 of 1,344#38 of 83
Diversity index
ranked most diverse first
63.6%#268 of 1,346#36 of 83
Free and reduced lunch
ranked highest share first
76.8%#454 of 1,522#32 of 82
Enrollment change since 2017-18
ranked steepest decline first
-13.5%#185 of 557#11 of 35
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
2,457
-158 (-6%) vs 2020
+45% since 1990-91, when it was 1,697
Student : Teacher
15.8:1
was 14.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,457155.915.8:177% (1,888)
2023-242,479167.414.8:177% (1,907)
2022-232,546165.115.4:175% (1,922)
2020-212,61517714.8:174% (1,934)
2017-182,841178.115.9:155% (1,559)
2015-162,90618915.4:157% (1,669)
2010-112,85018615.3:147% (1,348)
2000-012,76717915.5:114% (375)
1990-911,6979617.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Lamar High School.

Since 2017-18: students down 14% (2,841 to 2,457); teachers down 12% (178.1 to 155.9).

About Lamar High School

Lamar High School is a high school in ARLINGTON, Texas, reachable at (682) 867-8300. A total of 2,457 students attend the school, which covers grades 9 through 12. The average for high schools in Texas is about 796 students, so this school is 209% above average.

Federal data list 75 schools in ARLINGTON ISD, with 53,394 students enrolled.

Hispanic students form the largest group at Lamar High School, 49% of enrollment. Next come 33% Black, 12% White, and 3% multiracial. That compares with about 30% Hispanic among all Tarrant County residents. By the diversity index, Lamar High School comes in at 64%.

Teachers at Lamar High School total 155.9 full-time equivalents, and the ratio is 15.8:1. Across high schools in Texas, the average ratio is about 15.1:1. The school counts 1,888 students as eligible for free or reduced-price lunch, or 77%. Compared with the 63% average for public schools in Tarrant County, the school's rate is higher.

Lamar High School posts an average proficiency rate on state tests of 38.1%, compared with a predicted 40.9%. It is not in the top or bottom 10% of Texas schools on BeatsExpectations.

In Tarrant County (population about 2,167,390), median household income is about $84,207, roughly 35% of adults have a four-year degree or more, and about 8% of residents live below the federal poverty line. Lamar High School is one of 639 public schools in Tarrant County, which together enroll about 385,835 students.

Shackelford Junior High School is located about 0.5 miles from Lamar High School. Within five miles are at least 8 other public schools. Of 6 schools in the immediate area with test results, Lamar High School ranks 5th on average proficiency.

The school's federal locale classification is City: Large.

From 2020-21 to 2024-25, Lamar High School went from 2,615 students to 2,457.

To ask about school safety, transportation, and start times, start a discussion on this page. Posting is open to anyone connected to the school.

Tarrant County at a glance

View full county profile
Population
2,167,390
Census ACS
Median income
$84,207
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
639
385,835 students

Quick facts

School name
Lamar High School
District
ARLINGTON ISD
Address
1400 W LAMAR BLVD, ARLINGTON, TX 76012
Phone
(682) 867-8300
County
Tarrant County
Level
High
Grade range
09–12
Total enrollment
2,457
Teachers (FTE)
156
Student–teacher ratio
15.8:1
Free and reduced lunch
1,888 (77%)
Locale
11-City: Large
NCES ID
480870000253
Charter school
No
Virtual school
No

Related schools

Other schools in ARLINGTON ISD
Other schools in ARLINGTON
Other Lamar High schools

5 other US public schools in 5 states are named Lamar High. Lamar High School is the 2nd largest of the 6.

Nearby schools

Frequently asked questions

About Lamar High School
What is the total enrollment at Lamar High School?
Lamar High School enrolls approximately 2,457 students in grades 09-12.
Is Lamar High School an elementary, middle, or high school?
Lamar High School is a high school covering grades 09-12.
How many teachers does Lamar High School have?
Lamar High School employs 156 FTE teachers, for a student-to-teacher ratio of 15.8:1.
What is the student diversity at Lamar High School?
Student demographics at Lamar High School are roughly 12% White, 49% Hispanic, 33% Black, 2% Asian, 3% Two or more.
Who oversees Lamar High School?
Lamar High School is overseen by ARLINGTON ISD in Tarrant County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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