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SCHOOL COMMUNITY·TUCSON UNIFIED DISTRICT (4403)·NCES 040880000848

Gridley Middle School

350 S HARRISON RD, TUCSON, AZ 85748 · (520) 731-4600 · Pima County
GRADES 06–08MIDDLE11-CITYREGULAR SCHOOL501 STUDENTS
Enrollment
501
Middle
DISTRICT 433 · STATE 494
Student : Teacher
14.6:1
34 FTE teachers
DISTRICT 13.4:1 · STATE 17.8:1
Free / Reduced Lunch
,
Title I proxy
STATE 95%
Community
6
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 612425%
Grade 718337%
Grade 819439%
Student demographics
67%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 53% · STATE 65% · US 70%
White
19138%
DISTRICT 18% · STATE 33% · US 43%
Hispanic
20942%
DISTRICT 65% · STATE 48% · US 30%
Black
428%
DISTRICT 7% · STATE 6% · US 15%
Asian
112%
DISTRICT 2% · STATE 3% · US 6%
Two+
357%
DISTRICT 4% · STATE 4% · US 5%
Native American
61%
DISTRICT 4% · STATE 5% · US 1%
Pacific Islander
71%
DISTRICT 1% · 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
27254%
Female
22946%

Discussions

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Test scores

AASA 2024-25 . % Passing
English Language Arts
34.0%
AZ avg 45.4% . -1.0pp since 2017
Math
21.0%
AZ avg 37.8% . -20.0pp since 2017

What this means: On the AASA, Arizona's statewide test, about 34 of every 100 students at this school read and write at grade level and about 21 of 100 do math at grade level. Across all Arizona schools, those numbers are about 45 and 38. Reading and writing scores are down about 1 points since 2017, while math scores are down about 20 points.

AASA results by year

School yearEnglish Language ArtsMath
2024-2534.0%21.0%
2023-2430.0%21.0%
2022-2326.0%19.0%
2021-2236.0%17.0%
2020-2125.0%15.0%
2018-1927.0%32.0%
2017-1835.0%41.0%
% Passing, all students and all tested grades.
Source: AASA. All students, all grades. See all years and grades →

Where Gridley Middle School ranks

Among middle schools
MeasureThis schoolIn ArizonaIn Pima County
Math proficiency
ranked highest first
21.0%#92 of 190
▲ 1
#16 of 34
▲ 1
Reading proficiency
ranked highest first
34.0%#86 of 190
▲ 13
#16 of 34
▲ 2
3-year test score change
ranked biggest gain first
+1.0pp#66 of 160#12 of 26
Enrollment
ranked largest first
501#105 of 214#16 of 41
Students per teacher
ranked fewest first
14.6:1#30 of 179#12 of 31
Diversity index
ranked most diverse first
66.8%#16 of 182#3 of 31
Enrollment change since 2017-18
ranked steepest decline first
-36.3%#21 of 139#8 of 23
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
501
-161 (-24%) vs 2020
-16% since 1990-91, when it was 597
Student : Teacher
14.6:1
was 14.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2550134.414.6:1N/A
2023-2451442.412.1:1N/A
2022-2353042.412.5:158% (306)
2020-216624514.7:1N/A
2017-1878735.622.1:146% (361)
2015-167204117.6:1N/A
2010-116923221.6:135% (239)
2000-017913622.0:1N/A
1990-915972722.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Gridley Middle School.

Since 2017-18: students down 36% (787 to 501); teachers down 3% (35.6 to 34.4).

About Gridley Middle School

Gridley Middle School is a medium-sized middle school based in TUCSON, Arizona. School enrollment was 501 students in 2024-25, in grades 6 through 8.

Gridley Middle School is one school in an 88-school district, Tucson Unified District (4403), which enrolls 40,316 students.

At Gridley Middle School, the largest share of students is Hispanic, at 42%. Next come 38% White, 8% Black, 7% multiracial, and 2% Asian. The school's diversity index is 67%, meaning two students picked at random have a 67% chance of belonging to different racial or ethnic groups.

A ratio of 14.6:1 comes from the school's 34.4 full-time-equivalent teachers. That is 3.2 students per teacher below the 17.8:1 average for middle schools in Arizona.

Census Bureau estimates for Pima County show that the median household income is $70,315, the share of adults with a bachelor's degree or higher is 37%, and roughly 10% of residents are in poverty. Gridley Middle School is one of 398 public schools in the county.

The school nearest to Gridley Middle School is Gale Elementary School, at a distance of about 0.5 miles. A five-mile radius around the school includes at least 8 other public schools.

On the NCES locale scale, the school is City: Large.

The school enrolled 501 students in 2024-25, 161 fewer than the 662 it had in 2020-21.

The discussion area below is open to posts about sports tryouts, band and choir, and theater. Reviews and ratings from people who know the school are welcome.

Pima County at a glance

View full county profile
Population
1,060,490
Census ACS
Median income
$70,315
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
398
140,692 students

Quick facts

School name
Gridley Middle School
District
Tucson Unified District (4403)
Address
350 S HARRISON RD, TUCSON, AZ 85748
Phone
(520) 731-4600
County
Pima County
Level
Middle
Grade range
06–08
Total enrollment
501
Teachers (FTE)
34
Student–teacher ratio
14.6:1
Locale
11-City: Large
NCES ID
040880000848
Charter school
No
Virtual school
No

Related schools

Other schools in Tucson Unified District (4403)
Other schools in TUCSON
Nearby schools

Frequently asked questions

About Gridley Middle School
How many students attend Gridley Middle School?
Gridley Middle School enrolls approximately 501 students in grades 06-08.
Is Gridley Middle School an elementary, middle, or high school?
Gridley Middle School is a middle school covering grades 06-08.
What is the student-teacher ratio at Gridley Middle School?
The student-to-teacher ratio at Gridley Middle School is approximately 14.6:1 (34 FTE teachers).
What is the student diversity at Gridley Middle School?
Student demographics at Gridley Middle School are roughly 38% White, 42% Hispanic, 8% Black, 2% Asian, 7% Two or more.
What district is Gridley Middle School in?
Gridley Middle School is part of Tucson Unified District (4403).
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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