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SCHOOL COMMUNITY·OWASSO·NCES 402328001881

MILLS ES

8200 N 124th E Ave, Owasso, OK 74055 · (918) 272-2288 · Tulsa County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL467 STUDENTS
Enrollment
467
Elementary
DISTRICT 500 · STATE 366
Student : Teacher
16.1:1
29 FTE teachers
DISTRICT 16.2:1 · STATE 15.6:1
Free / Reduced Lunch
69%
320 students
DISTRICT 44% · STATE 68%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
34
Kindergarten
69
Grade 1
75
Grade 2
80
Grade 3
73
Grade 4
73
Grade 5
63
Student demographics
White
44%
DISTRICT 52% · STATE 43%
Hispanic
21%
DISTRICT 15% · STATE 21%
Black
5%
DISTRICT 4% · STATE 8%
Asian
7%
DISTRICT 7% · STATE 2%
Two+
17%
DISTRICT 16% · STATE 14%
Native American
6%
DISTRICT 6% · STATE 11%
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
52%
Female
48%

Discussions

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Test scores

OSTP / CCRA 2024-25 . % Proficient + Advanced
English Language Arts
38.0%
OK avg 30.6%
Math
32.2%
OK avg 32.6%
Source: OSTP / CCRA. 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
34.0%
composite math + reading, all grades
Predicted
32.1%
based on OK schools with similar FRL share
Beats by
+1.9pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
467
-53 (-10%) vs 2017
Student : Teacher
16.1:1
was 17.2:1
% White
44%
was 51%
% Hispanic
21%
was 17%
% Black
5%
was 6%
% Asian
7%
was 2%
Source: NCES Common Core of Data

About MILLS ES

Set in Owasso, Oklahoma, MILLS ES is a mid-tier elementary school, overseen by OWASSO. It hosts 467 students across grades pre-K through 5. Compared to the state average of about 366 students per school, that is 28% above typical.

Within OWASSO, which oversees 13 schools and 9,761 students, MILLS ES is one campus in the system.

On demographics, MILLS ES records that the most-represented group is White (44%), with the rest of the student body spread across multiple groups. Other groups include 21% Hispanic, 17% multiracial, 7% Asian, 6% Native American. By comparison, Tulsa County as a whole is about 61% White, so the school skews meaningfully less White than its surroundings.

On the income-and-resources front, On paper, MILLS ES has 29 full-time-equivalent teachers, translating to a class-load average of around 16.1:1. The state averages about 15.6:1, putting this campus right in line with peers. About 69% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

On a residual basis (actual vs predicted given the student mix), MILLS ES sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 32.1%; this one delivers 34.0%.

In the surrounding community, ACS estimates for Tulsa County put the typical household earns roughly $69,009 per year, roughly 34% of adults have completed at least a four-year degree, and roughly 11% of residents live below the federal poverty line. In all, Tulsa County runs 180 public schools (combined enrollment of about 113,616 students), of which MILLS ES is one.

The closest other public school is OWASSO 6TH GRADE CTR, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around MILLS ES. Ranking that nearby cluster on reported proficiency puts MILLS ES at 5th of 8; the average score across the group is 38.6%.

Geographically, the school is in a bedroom-community area.

Looking at the recent track record. Over the past 7-year window, the student count fell 10%: 520 students in 2018 compared to 467 in 2025. White enrollment moved from 51% to 44% across the same window. Class-load math has tightened: from 17.2:1 in 2018 to 16.1:1 in 2025.

On this page, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.

Tulsa County at a glance

View full county profile
Population
680,794
Census ACS
Median income
$69,009
Household, ACS
Bachelor's+
34%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
180
113,616 students

Quick facts

School name
MILLS ES
District
OWASSO
Address
8200 N 124th E Ave, Owasso, OK 74055
Phone
(918) 272-2288
County
Tulsa County
Level
Elementary
Grade range
PK–05
Total enrollment
467
Teachers (FTE)
29
Student–teacher ratio
16.1:1
Free/Reduced lunch
320 (69%)
Locale
21-Suburb: Large
NCES ID
402328001881
Charter school
No
Virtual school
No

Related schools

Other schools in OWASSO
Other schools in Owasso
Nearby schools

Frequently asked questions

About MILLS ES
How large is MILLS ES?
MILLS ES enrolls approximately 467 students in grades PK-05.
Is MILLS ES an elementary, middle, or high school?
MILLS ES is an elementary school covering grades PK-05.
How many teachers does MILLS ES have?
MILLS ES employs 29 FTE teachers, for a student-to-teacher ratio of 16.1:1.
What is the student diversity at MILLS ES?
Student demographics at MILLS ES are roughly 44% White, 21% Hispanic, 5% Black, 7% Asian, 17% Two or more.
Who oversees MILLS ES?
MILLS ES is overseen by OWASSO in Tulsa County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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