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SCHOOL COMMUNITY·PLANO ISD·NCES 483510003955

Armstrong Middle School

3805 TIMBERLINE DR, PLANO, TX 75074 · (469) 752-4600 · Collin County
GRADES 06–08MIDDLE11-CITYTITLE IREGULAR SCHOOL490 STUDENTS
Enrollment
490
Middle
DISTRICT 804 · STATE 643
Student : Teacher
10.9:1
45 FTE teachers
DISTRICT 14.1:1 · STATE 14.4:1
Free / Reduced Lunch
82%
402 students
DISTRICT 39% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 615031%
Grade 715431%
Grade 818638%
Student demographics
60%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 76% · STATE 63% · US 70%
White
7816%
DISTRICT 29% · STATE 24% · US 43%
Hispanic
29059%
DISTRICT 30% · STATE 54% · US 30%
Black
7616%
DISTRICT 13% · STATE 13% · US 15%
Asian
347%
DISTRICT 23% · STATE 6% · US 6%
Two+
102%
DISTRICT 5% · STATE 3% · US 5%
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
25652%
Female
23448%

Discussions

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Test scores

STAAR 2024-25 . % Meets Grade Level or Above
Reading
47.0%
TX avg 53.3% . +31.0pp since 2020
Mathematics
26.0%
TX avg 43.3% . -2.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 47 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 53 and 43. Reading scores are up about 31 points since 2020, while math scores are down about 2 points.

Performance levels, 2024-25

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading22.0%25.0%23.0%30.0%
Mathematics10.0%16.0%29.0%45.0%
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
2024-2547.0%26.0%
2023-2448.0%30.0%
2022-2332.0%25.0%
2021-2231.0%27.0%
2020-2116.0%28.0%
% 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
34.1%
composite math + reading, all grades
Predicted
38.6%
based on TX schools with similar FRL share
Beats by
-4.6pp
below demographic expectation

What this means: About 34% of students here test proficient in math and reading, compared with the roughly 39% 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 Armstrong Middle School

Armstrong Middle School's state test result (34.1% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Armstrong Middle School this school49082.0%34.1%
Dessau Middle School
AUSTIN
59680.4%28.8%
Decker Middle School
AUSTIN
60681.2%16.2%
Morris Middle School
HOUSTON
60381.6%50.1%
Iltexas North Richland Hills Middle School
N RICHLAND HILLS
35077.7%30.6%
Center Middle School
CENTER
49682.7%35.8%
Matched among Texas middle 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 Armstrong Middle School ranks

Among middle schools
MeasureThis schoolIn TexasIn Collin County
State test proficiency
ranked highest first
34.1%#1,219 of 1,635#51 of 51
Math proficiency
ranked highest first
26.0%#1,512 of 1,670
▼ 207
#56 of 57
no change
Reading proficiency
ranked highest first
47.0%#1,182 of 1,670
▼ 123
#56 of 57
▼ 1
3-year test score change
ranked biggest gain first
+7.5pp#968 of 1,570#37 of 52
Enrollment
ranked largest first
490#1,112 of 1,749#53 of 57
Students per teacher
ranked fewest first
10.9:1#55 of 1,542#2 of 57
Diversity index
ranked most diverse first
59.5%#528 of 1,543#50 of 57
Free and reduced lunch
ranked highest share first
82.0%#460 of 1,648#1 of 51
Enrollment change since 2017-18
ranked steepest decline first
-30.8%#131 of 942#2 of 29
Ranked against other public middle 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
490
-194 (-28%) vs 2020
-20% since 1990-91, when it was 616
Student : Teacher
10.9:1
was 12.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2549045.110.9:182% (402)
2023-245634512.5:182% (461)
2022-2361142.814.3:178% (474)
2020-216845612.2:176% (517)
2017-1870857.312.4:167% (471)
2015-167005512.7:170% (487)
2010-117586212.2:158% (438)
2000-011,1538613.4:117% (191)
1990-916165411.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Armstrong Middle School.

Since 2017-18: students down 31% (708 to 490); teachers down 21% (57.3 to 45.1).

About Armstrong Middle School

Armstrong Middle School serves students in PLANO, Texas, as a low-enrollment middle-grades school. Grades offered run from 6 through 8, with 490 students enrolled. For comparison, middle schools in Texas average about 643 students.

PLANO ISD has 46,612 students in 73 schools, and Armstrong Middle School is one of those schools.

By race and ethnicity, Armstrong Middle School is 59% Hispanic. The rest of enrollment is 16% White, 16% Black, 7% Asian, and 2% multiracial. Census estimates put the Hispanic share of Collin County's population at about 16%. The chance that two students picked at random at Armstrong Middle School belong to different racial or ethnic groups, known as the diversity index, is 60%.

The school reports 45.1 full-time-equivalent teachers, which works out to about 10.9 students per teacher. The 14.4:1 average for middle schools in Texas is higher than this school's figure. The free or reduced-price lunch share, often used to gauge student poverty, is 82%. The gap from the 30% average for public schools in Collin County is 52 points.

Armstrong Middle School's actual average proficiency rate on state tests (34.1%) and its predicted rate (38.6%) put it outside the top and bottom 10% of Texas schools.

Census Bureau estimates for Collin County show that median household income is about $121,600, a bachelor's degree or higher is held by about 56% of adults, and the share of residents below the poverty line is 5%. Armstrong Middle School is one of 338 public schools in Collin County, which together enroll about 227,575 students.

The closest other public school is Forman Elementary School, about 0.2 miles away. There are at least 8 other public schools within five miles. Armstrong Middle School ranks 6th of 7 among nearby schools on average proficiency, with 34.1% against a local average of 49.2%.

For locale, NCES codes Armstrong Middle School as City: Large.

The number of students dropped from 684 to 490 over 4 years. By 2024-25, the school had 10.9 students per teacher, compared with 12.2 in 2020-21.

The discussion area below is open to posts about school events, clubs, and volunteer needs. Questions from prospective families are welcome too.

Collin County at a glance

View full county profile
Population
1,163,337
Census ACS
Median income
$121,600
Household, ACS
Bachelor's+
56%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
338
227,575 students

Quick facts

School name
Armstrong Middle School
District
PLANO ISD
Address
3805 TIMBERLINE DR, PLANO, TX 75074
Phone
(469) 752-4600
County
Collin County
Level
Middle
Grade range
06–08
Total enrollment
490
Teachers (FTE)
45
Student–teacher ratio
10.9:1
Free and reduced lunch
402 (82%)
Locale
11-City: Large
NCES ID
483510003955
Charter school
No
Virtual school
No

Related schools

Other schools in PLANO ISD
Other schools in PLANO
Other Armstrong Middle schools

2 other US public schools in 3 states are named Armstrong Middle. Armstrong Middle School is the 2nd largest of the 3.

Nearby schools

Frequently asked questions

About Armstrong Middle School
How many students attend Armstrong Middle School?
Armstrong Middle School enrolls approximately 490 students in grades 06-08.
What grades does Armstrong Middle School serve?
Armstrong Middle School serves grades 06-08.
What is the student-teacher ratio at Armstrong Middle School?
The student-to-teacher ratio at Armstrong Middle School is approximately 10.9:1 (45 FTE teachers).
What is the student diversity at Armstrong Middle School?
Student demographics at Armstrong Middle School are roughly 16% White, 59% Hispanic, 16% Black, 7% Asian, 2% Two or more.
Who oversees Armstrong Middle School?
Armstrong Middle School is overseen by PLANO ISD in Collin County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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