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SCHOOL COMMUNITY·FORT BEND ISD·NCES 481965001818

Dulles High School

550 DULLES AVE, SUGAR LAND, TX 77478 · (281) 634-5600 · Fort Bend County
GRADES 09–12HIGH12-CITYTITLE IREGULAR SCHOOL2,165 STUDENTS
A-
allk12 Grade
Scored higher than 80% of Texas public high schools
  • A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • AThree-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
2,165
High
DISTRICT 1,925 · STATE 796
Student : Teacher
17.7:1
122 FTE teachers
DISTRICT 15.6:1 · STATE 15.1:1
Free / Reduced Lunch
44%
946 students
DISTRICT 53% · 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 957126%
Grade 1054225%
Grade 1153925%
Grade 1251324%
Student demographics
73%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 76% · STATE 63% · US 70%
White
28713%
DISTRICT 13% · STATE 24% · US 43%
Hispanic
49623%
DISTRICT 27% · STATE 54% · US 30%
Black
44521%
DISTRICT 28% · STATE 13% · US 15%
Asian
84439%
DISTRICT 28% · STATE 6% · US 6%
Two+
804%
DISTRICT 4% · STATE 3% · US 5%
Native American
90%
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
1,12252%
Female
1,04348%

Discussions

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
67.0%
TX avg 54.5% . +30.0pp since 2020
Mathematics
56.0%
TX avg 45.3% . +39.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 67 of every 100 students at this school read at grade level and about 56 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 30 points since 2020, while math scores are up about 39 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading23.0%44.0%12.0%21.0%
Mathematics29.0%27.0%25.0%19.0%
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
2025-2667.0%56.0%
2024-2569.0%48.0%
2023-2469.0%50.0%
2022-2339.0%26.0%
2021-2238.0%25.0%
2020-2137.0%17.0%
% 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
65.9%
composite math + reading, all grades
Predicted
55.0%
based on TX schools with similar FRL share
Beats by
+10.9pp
above demographic expectation

What this means: About 66% of students here test proficient in math and reading, compared with the roughly 55% 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 Dulles High School

Dulles High School's state test result (65.9% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Dulles High School this school2,16543.7%65.9%
Debakey H S for Health Prof
HOUSTON
92939.8%92.3%
Harmony School of Innovation-Sugar Land
SUGAR LAND
91256.0%81.0%
Plano East Sr High School
PLANO
3,03332.8%67.7%
Lawrence E Elkins High School
MISSOURI CITY
2,84829.2%69.1%
Stephen F Austin High School
SUGAR LAND
2,65536.6%71.8%
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 Dulles High School ranks

Among high schools
MeasureThis schoolIn TexasIn Fort Bend County
State test proficiency
ranked highest first
65.9%#337 of 1,385#19 of 30
Math proficiency
ranked highest first
56.0%#382 of 1,425
▲ 108
#18 of 30
▲ 1
Reading proficiency
ranked highest first
67.0%#425 of 1,425
▼ 94
#19 of 30
▼ 4
3-year test score change
ranked biggest gain first
+29.0pp#164 of 1,184#7 of 27
Enrollment
ranked largest first
2,165#260 of 2,107#16 of 39
Students per teacher
ranked fewest first
17.7:1#1,152 of 1,344#17 of 29
Diversity index
ranked most diverse first
73.4%#42 of 1,346#8 of 29
Free and reduced lunch
ranked highest share first
43.7%#1,138 of 1,522#17 of 31
Enrollment change since 2017-18
ranked steepest decline first
-12.9%#190 of 557#3 of 6
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
2,165
-378 (-15%) vs 2020
-18% since 1990-91, when it was 2,625
Student : Teacher
17.7:1
was 17.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,165122.317.7:144% (946)
2023-242,291127.418.0:146% (1,052)
2022-232,36413517.5:145% (1,066)
2020-212,54314317.8:136% (921)
2017-182,485139.317.8:127% (669)
2015-162,24013616.5:123% (504)
2010-112,06111717.6:121% (430)
2000-012,04212815.9:110% (206)
1990-912,62514318.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Dulles High School.

Since 2017-18: students down 13% (2,485 to 2,165); teachers down 12% (139.3 to 122.3).

About Dulles High School

Dulles High School is a public high school run by FORT BEND ISD in SUGAR LAND, Texas. The school counts 2,165 students across grades 9 through 12. The typical figure for high schools in Texas is about 796 students.

FORT BEND ISD has 83 schools; together they serve 79,663 students.

Asian students are the largest group at Dulles High School, with 39% of enrollment. Other reported shares: 23% Hispanic, 21% Black, 13% White, and 4% multiracial. Fort Bend County's residents are about 22% Asian, 17 points below the school's share. The chance that two students picked at random at Dulles High School belong to different racial or ethnic groups, known as the diversity index, is 73%.

Its 122.3 full-time-equivalent teachers give the school a ratio of 17.7:1. That ratio is over the 15.1:1 average for high schools in Texas. Free or reduced-price lunch eligibility is 44%. That is close to the 42% average for public schools in Fort Bend County.

The allk12 Grade for Dulles High School is A-. Compared with Texas public high schools, the school scored higher than 80% on a mix of test scores, poverty-adjusted results, and recent trend.

Predicted from its free or reduced-price lunch share, Dulles High School would score about 55.0%. It scores 65.9%, 10.9 points above that figure.

Within Fort Bend County, median household income is about $114,041, the share of adults with a bachelor's degree or higher is 50%, and roughly 7% of residents are in poverty. The public schools of Fort Bend County number 217 and enroll about 191,372.

The next-closest public school is Dulles Elementary School, about 0.2 miles away. There are at least 8 more public schools inside five miles. Local comparison: Dulles High School ranks 1st of 9 nearby schools, at 65.9% versus a 44.8% average.

The National Center for Education Statistics classifies the school's location as City: Mid-size, meaning it is inside a principal city with a population between 100,000 and 250,000.

The number of students declined from 2,543 to 2,165 over 4 years.

Topics for discussion here include school safety, transportation, and start times. Anyone with firsthand experience at this school can post or comment.

Fort Bend County at a glance

View full county profile
Population
893,767
Census ACS
Median income
$114,041
Household, ACS
Bachelor's+
50%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
217
191,372 students

Quick facts

School name
Dulles High School
District
FORT BEND ISD
Address
550 DULLES AVE, SUGAR LAND, TX 77478
Phone
(281) 634-5600
County
Fort Bend County
Level
High
Grade range
09–12
Total enrollment
2,165
Teachers (FTE)
122
Student–teacher ratio
17.7:1
Free and reduced lunch
946 (44%)
Locale
12-City: Mid-size
NCES ID
481965001818
Charter school
No
Virtual school
No

Related schools

Other schools in FORT BEND ISD
Other schools in SUGAR LAND
Nearby schools

Frequently asked questions

About Dulles High School
How many students attend Dulles High School?
Dulles High School enrolls approximately 2,165 students in grades 09-12.
What grades does Dulles High School serve?
Dulles High School serves grades 09-12.
How many students per teacher at Dulles High School?
Approximately 17.7:1 students per teacher at Dulles High School.
What is the racial breakdown of students at Dulles High School?
At Dulles High School, the student body is approximately 13% White, 23% Hispanic, 21% Black, 39% Asian, 4% Two or more.
What district is Dulles High School in?
Dulles High School is part of FORT BEND ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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