The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·OSBORN ELEMENTARY DISTRICT (4262)·NCES 040567000459

Clarendon School

1225 W CLARENDON AVE, PHOENIX, AZ 85013 · (602) 707-2200 · Maricopa County
GRADES PK–08ELEMENTARY11-CITYREGULAR SCHOOL420 STUDENTS
Enrollment
420
Elementary
DISTRICT 420 · STATE 451
Student : Teacher
17.3:1
24 FTE teachers
DISTRICT 19.6:1 · STATE 17.0:1
Free / Reduced Lunch
,
Title I proxy
STATE 95%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 415136%
Grade 513031%
Grade 613933%
Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 57% · STATE 65% · US 70%
White
5112%
DISTRICT 12% · STATE 33% · US 43%
Hispanic
28869%
DISTRICT 63% · STATE 48% · US 30%
Black
4110%
DISTRICT 14% · STATE 6% · US 15%
Asian
72%
DISTRICT 2% · STATE 3% · US 6%
Two+
174%
DISTRICT 4% · STATE 4% · US 5%
Native American
164%
DISTRICT 6% · STATE 5% · US 1%
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
21250%
Female
20850%

Discussions

+ POST

Test scores

AASA 2024-25 . % Passing
English Language Arts
27.0%
AZ avg 45.4% . -7.0pp since 2017
Math
25.0%
AZ avg 37.8% . -22.0pp since 2017

What this means: On the AASA, Arizona's statewide test, about 27 of every 100 students at this school read and write at grade level and about 25 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 7 points since 2017, while math scores are down about 22 points.

AASA results by year

School yearEnglish Language ArtsMath
2024-2527.0%25.0%
2023-2433.0%22.0%
2022-2329.0%24.0%
2021-2225.0%24.0%
2020-2123.0%15.0%
2018-1935.0%42.0%
2017-1834.0%47.0%
% Passing, all students and all tested grades.
Source: AASA. All students, all grades. See all years and grades →

Where Clarendon School ranks

Among elementary schools
MeasureThis schoolIn ArizonaIn Maricopa County
Math proficiency
ranked highest first
25.0%#641 of 1,072
▲ 61
#403 of 646
▲ 34
Reading proficiency
ranked highest first
27.0%#736 of 1,072
▼ 143
#457 of 646
▼ 82
3-year test score change
ranked biggest gain first
+1.5pp#361 of 930#223 of 577
Enrollment
ranked largest first
420#656 of 1,223#481 of 692
Students per teacher
ranked fewest first
17.3:1#564 of 991#343 of 615
Diversity index
ranked most diverse first
50.2%#580 of 1,007#380 of 627
Enrollment change since 2017-18
ranked steepest decline first
-7.9%#570 of 721#365 of 456
Ranked against other public elementary 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
420
+3 (+1%) vs 2020
-20% since 1990-91, when it was 525
Student : Teacher
17.3:1
was 18.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2542024.317.3:1N/A
2023-2441123.317.7:1N/A
2022-2342027.315.4:174% (310)
2020-214172218.9:180% (332)
2017-184562319.8:174% (336)
2015-164452319.4:14% (20)
2010-114332418.0:18% (33)
2000-014623314.0:1N/A
1990-915252719.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Clarendon School.

Since 2017-18: students down 8% (456 to 420); teachers up 5% (23 to 24.3).

About Clarendon School

As a mid-sized elementary school, Clarendon School serves students in PHOENIX, Arizona. Enrollment totals 420 students across pre-K through 8.

Clarendon School is one school in a 6-school district, Osborn Elementary District (4262), which enrolls 2,518 students.

Hispanic students are 69% of those enrolled at Clarendon School. Next come 12% White, 10% Black, 4% multiracial, and 4% Native American. That compares with about 31% Hispanic among all Maricopa County residents. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 50%.

Staffing at Clarendon School comes to 24.3 full-time-equivalent teachers, or 17.3:1. It is about the same as the 17.0:1 average for elementary schools in Arizona.

Looking at the county, Maricopa County, the median household earns about $89,300 a year, the share of adults with a bachelor's degree or higher is 37%, and roughly 8% of residents are in poverty. Maricopa County has 1,352 public schools with about 725,139 students, including Clarendon School.

Encanto School is about 0.2 miles from Clarendon School, the shortest distance to any other public school. Other public schools within five miles: at least 8.

In the federal locale system, Clarendon School is coded City: Large, for schools inside a principal city with a population of 250,000 or more.

Enrollment was essentially flat over 4 years: 417 in 2020-21, 420 in 2024-25. Staffing shifted too: the ratio moved from 18.9:1 to 17.3:1.

Use the discussion section to ask about special education services, counseling, and support programs at Clarendon School. You can also rate the school on this page.

Maricopa County at a glance

View full county profile
Population
4,559,748
Census ACS
Median income
$89,300
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
1,352
725,139 students

Quick facts

School name
Clarendon School
District
Osborn Elementary District (4262)
Address
1225 W CLARENDON AVE, PHOENIX, AZ 85013
Phone
(602) 707-2200
County
Maricopa County
Level
Elementary
Grade range
PK–08
Total enrollment
420
Teachers (FTE)
24
Student–teacher ratio
17.3:1
Locale
11-City: Large
NCES ID
040567000459
Charter school
No
Virtual school
No

Related schools

Other schools in Osborn Elementary District (4262)
Other schools in PHOENIX
Other Clarendon schools

One other US public school is named Clarendon. Clarendon School is the 2nd largest of the 2.

Nearby schools

Frequently asked questions

About Clarendon School
How large is Clarendon School?
Clarendon School enrolls approximately 420 students in grades PK-08.
What age range does Clarendon School serve?
Clarendon School serves students from grade PK through grade 08.
How many students per teacher at Clarendon School?
Approximately 17.3:1 students per teacher at Clarendon School.
What is the student diversity at Clarendon School?
Student demographics at Clarendon School are roughly 12% White, 69% Hispanic, 10% Black, 2% Asian, 4% Two or more.
Is Clarendon School public or private?
Clarendon School is a public K-12 school, overseen by Osborn Elementary District (4262).
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post