The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·DALLAS ISD·NCES 481623001352

Seagoville High School

151920 SEAGOVILLE RD, DALLAS, TX 75253 · (972) 892-5900 · Dallas County
GRADES 09–12HIGH11-CITYTITLE IREGULAR SCHOOL1,786 STUDENTS
C-
allk12 Grade
Scored higher than 20% of Texas public high schools
  • DTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B-Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Texas public high schools

Enrollment
1,786
High
DISTRICT 1,023 · STATE 796
Student : Teacher
15.8:1
113 FTE teachers
DISTRICT 15.9:1 · STATE 15.1:1
Free / Reduced Lunch
91%
1,630 students
DISTRICT 89% · 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 953730%
Grade 1045926%
Grade 1141123%
Grade 1237921%
Student demographics
43%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · STATE 63% · US 70%
White
1237%
DISTRICT 6% · STATE 24% · US 43%
Hispanic
1,30173%
DISTRICT 71% · STATE 54% · US 30%
Black
33919%
DISTRICT 19% · STATE 13% · US 15%
Asian
30%
DISTRICT 1% · STATE 6% · US 6%
Two+
121%
DISTRICT 2% · STATE 3% · US 5%
Native American
60%
DISTRICT 1% · STATE 0% · US 1%
Pacific Islander
20%
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
90851%
Female
87849%

Discussions

+ POST

Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
42.0%
TX avg 54.5% . +18.0pp since 2020
Mathematics
26.0%
TX avg 45.3% . +10.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 42 of every 100 students at this school read at grade level and about 26 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 18 points since 2020, while math scores are up about 10 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading3.0%39.0%25.0%33.0%
Mathematics5.0%21.0%50.0%24.0%
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
2025-2642.0%26.0%
2024-2531.0%16.0%
2023-2436.0%9.0%
2022-2328.0%8.0%
2021-2224.0%7.0%
2020-2124.0%16.0%
% 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
36.8%
composite math + reading, all grades
Predicted
34.7%
based on TX schools with similar FRL share
Beats by
+2.0pp
above demographic expectation

What this means: About 37% of students here test proficient in math and reading, compared with the roughly 35% 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 Seagoville High School

Seagoville High School's state test result (36.8% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Seagoville High School this school1,78691.3%36.8%
West Mesquite High School
MESQUITE
1,99784.9%47.2%
Polytechnic High School
FORT WORTH
1,37591.3%19.5%
Westbury High School
HOUSTON
1,99191.3%41.6%
Dr L G Pinkston Sr High School
DALLAS
1,26495.3%32.9%
Eisenhower High School
HOUSTON
2,26286.4%33.3%
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 Seagoville High School ranks

Among high schools
MeasureThis schoolIn TexasIn Dallas County
State test proficiency
ranked highest first
36.8%#1,221 of 1,385#77 of 96
Math proficiency
ranked highest first
26.0%#1,186 of 1,425
▲ 143
#80 of 100
▲ 15
Reading proficiency
ranked highest first
42.0%#1,190 of 1,425
▲ 122
#70 of 100
▲ 19
3-year test score change
ranked biggest gain first
+16.0pp#560 of 1,184#30 of 98
Enrollment
ranked largest first
1,786#384 of 2,107#35 of 133
Students per teacher
ranked fewest first
15.8:1#860 of 1,344#54 of 101
Diversity index
ranked most diverse first
42.9%#855 of 1,346#60 of 101
Free and reduced lunch
ranked highest share first
91.3%#153 of 1,522#27 of 107
Enrollment change since 2017-18
ranked fastest growth first
+23.0%#177 of 672#13 of 43
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
1,786
+143 (+9%) vs 2020
+132% since 1990-91, when it was 769
Student : Teacher
15.8:1
was 15.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,786113.415.8:191% (1,630)
2023-241,827121.415.0:189% (1,632)
2022-231,779110.116.2:187% (1,550)
2020-211,64310615.5:190% (1,475)
2017-181,45291.415.9:191% (1,324)
2015-161,3558515.9:190% (1,225)
2010-111,0208611.9:176% (779)
2000-011,1186816.4:122% (251)
1990-917694915.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Seagoville High School.

Since 2017-18: students up 23% (1,452 to 1,786); teachers up 24% (91.4 to 113.4).

About Seagoville High School

Seagoville High School is a high-enrollment high school in DALLAS, Texas. Students in grades 9 through 12 attend the school, which enrolls 1,786 students. The average among high schools in Texas is roughly 796 students; this school is 124% bigger than that.

DALLAS ISD has 240 schools and 140,630 students, and Seagoville High School is one of those schools.

Roughly 73% of students at Seagoville High School are Hispanic. Enrollment also includes 19% Black and 7% White. Among people living in Dallas County, the Hispanic share is about 41%. The school's diversity index is 43%, meaning two students picked at random have a 43% chance of belonging to different racial or ethnic groups.

The school reported 113.4 full-time-equivalent teachers in 2024-25 and a ratio of 15.8:1. For comparison, high schools in Texas average 15.1:1. Free or reduced-price lunch eligibility is 91%. Compared with the 77% average for public schools in Dallas County, the school's rate is higher.

Measured against Texas public high schools, Seagoville High School receives a C-. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

Seagoville High School's actual average proficiency rate on state tests (36.8%) and its predicted rate (34.7%) put it outside the top and bottom 10% of Texas schools.

Dallas County has these Census figures: the median household income is $76,547, the share of adults with a bachelor's degree or higher is 36%, and about 11% of people live in poverty. In all, Dallas County has 771 public schools and roughly 459,645 students.

Nearest public school: Seagoville Middle School, about 0.3 miles away. Within five miles are at least 8 other public schools. Compared with its nearest neighbors, Seagoville High School ranks 5th of 9 on average proficiency.

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

The school enrolled 1,786 students in 2024-25, 143 more than the 1,643 it had in 2020-21.

Posts about science fairs, picture day, and bus routes are welcome on this page. Questions from prospective families are welcome too.

Dallas County at a glance

View full county profile
Population
2,621,179
Census ACS
Median income
$76,547
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
771
459,645 students

Quick facts

School name
Seagoville High School
District
DALLAS ISD
Address
151920 SEAGOVILLE RD, DALLAS, TX 75253
Phone
(972) 892-5900
County
Dallas County
Level
High
Grade range
09–12
Total enrollment
1,786
Teachers (FTE)
113
Student–teacher ratio
15.8:1
Free and reduced lunch
1,630 (91%)
Locale
11-City: Large
NCES ID
481623001352
Charter school
No
Virtual school
No

Related schools

Other schools in DALLAS ISD
Other schools in DALLAS
Nearby schools

Frequently asked questions

About Seagoville High School
What is the total enrollment at Seagoville High School?
Seagoville High School enrolls approximately 1,786 students in grades 09-12.
What grades does Seagoville High School serve?
Seagoville High School serves grades 09-12.
What is the student-teacher ratio at Seagoville High School?
The student-to-teacher ratio at Seagoville High School is approximately 15.8:1 (113 FTE teachers).
What is the racial breakdown of students at Seagoville High School?
At Seagoville High School, the student body is approximately 7% White, 73% Hispanic, 19% Black, 0% Asian, 1% Two or more.
Who oversees Seagoville High School?
Seagoville High School is overseen by DALLAS ISD in Dallas County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post