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SCHOOL COMMUNITY·OKLAHOMA CITY·NCES 402277001885

CLASSEN HS OF ADVANCED STUDIES

1901 North Ellison Avenue, Oklahoma City, OK 73106 · (405) 587-5400 · Oklahoma County
GRADES 09–12HIGH11-CITYTITLE IREGULAR SCHOOL810 STUDENTS
Enrollment
810
High
DISTRICT 938 · STATE 443
Student : Teacher
17.6:1
46 FTE teachers
DISTRICT 15.6:1 · STATE 15.4:1
Free / Reduced Lunch
46%
369 students
DISTRICT 91% · STATE 68%
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
Grade 9
244
Grade 10
236
Grade 11
177
Grade 12
153
Student demographics
White
26533%
DISTRICT 11% · STATE 43%
Hispanic
19524%
DISTRICT 57% · STATE 21%
Black
14618%
DISTRICT 19% · STATE 8%
Asian
9111%
DISTRICT 2% · STATE 2%
Two+
9812%
DISTRICT 7% · STATE 14%
Native American
121%
DISTRICT 2% · STATE 11%
Pacific Islander
30%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
31339%
Female
49761%

Discussions

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7-year change

SY 2017-18 vs SY 2024-25
Enrollment
810
+281 (+53%) vs 2017
Student : Teacher
17.6:1
was 13.9:1
% White
33%
was 44%
% Hispanic
24%
was 19%
% Black
18%
was 15%
% Asian
11%
was 14%
Source: NCES Common Core of Data

About CLASSEN HS OF ADVANCED STUDIES

CLASSEN HS OF ADVANCED STUDIES is a sizable secondary school in Oklahoma City, Oklahoma, run under OKLAHOMA CITY. The school educates 810 students in grades 9 through 12. Enrollment runs roughly 83% bigger than the state mean of about 443.

OKLAHOMA CITY comprises 58 schools with combined enrollment of 32,864 students; CLASSEN HS OF ADVANCED STUDIES is among them.

On demographics, CLASSEN HS OF ADVANCED STUDIES lists that the largest single group is White at 33%, but no single group is in the majority; the rest comes out to 24% Hispanic, 18% Black, 12% multiracial, 11% Asian. The wider county runs roughly 57% White, putting the school's mix noticeably less White than the area baseline.

In terms of school funding signals, CLASSEN HS OF ADVANCED STUDIES records 46 full-time-equivalent teachers, putting the student-to-teacher ratio at about 17.6:1. Statewide, the average ratio sits near 15.4:1, putting CLASSEN HS OF ADVANCED STUDIES higher than the state norm the norm. Roughly 46% of students at CLASSEN HS OF ADVANCED STUDIES qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Oklahoma County (around 67%), the school's rate is noticeably below typical.

Across the wider county, the surrounding county (Oklahoma County) reports that the typical household earns roughly $66,679 per year, 36% of adults hold a bachelor's degree or higher, and roughly 12% of residents live below the federal poverty line. In all, Oklahoma County runs 225 public schools (combined enrollment of about 161,569 students), of which CLASSEN HS OF ADVANCED STUDIES is one.

Nearest neighbor: THELMA R. PARKS ES, around 0.5 miles off. Counting just inside five miles, 8 other public schools cluster around CLASSEN HS OF ADVANCED STUDIES.

CLASSEN HS OF ADVANCED STUDIES operates from an urban location.

Trend over the last 7 years. Looking back 7 years, enrollment at CLASSEN HS OF ADVANCED STUDIES has rose 53%, going from 529 students in 2018 to 810 in 2025. Over the same period, the White share ticked down from 44% to 33%. Class-load math has widened: from 13.9:1 in 2018 to 17.6:1 in 2025.

On this page, the page collects discussion, questions, and updates around fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.

Oklahoma County at a glance

View full county profile
Population
806,199
Census ACS
Median income
$66,679
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
12%
Below federal line
Schools in county
225
161,569 students

Quick facts

School name
CLASSEN HS OF ADVANCED STUDIES
District
OKLAHOMA CITY
Address
1901 North Ellison Avenue, Oklahoma City, OK 73106
Phone
(405) 587-5400
County
Oklahoma County
Level
High
Grade range
09–12
Total enrollment
810
Teachers (FTE)
46
Student–teacher ratio
17.6:1
Free/Reduced lunch
369 (46%)
Locale
11-City: Large
NCES ID
402277001885
Charter school
No
Virtual school
No

Related schools

Other schools in OKLAHOMA CITY
Other schools in Oklahoma City
Nearby schools

Frequently asked questions

About CLASSEN HS OF ADVANCED STUDIES
How large is CLASSEN HS OF ADVANCED STUDIES?
CLASSEN HS OF ADVANCED STUDIES enrolls approximately 810 students in grades 09-12.
What grades does CLASSEN HS OF ADVANCED STUDIES serve?
CLASSEN HS OF ADVANCED STUDIES serves grades 09-12.
How many teachers does CLASSEN HS OF ADVANCED STUDIES have?
CLASSEN HS OF ADVANCED STUDIES employs 46 FTE teachers, for a student-to-teacher ratio of 17.6:1.
What is the student diversity at CLASSEN HS OF ADVANCED STUDIES?
Student demographics at CLASSEN HS OF ADVANCED STUDIES are roughly 33% White, 24% Hispanic, 18% Black, 11% Asian, 12% Two or more.
Who oversees CLASSEN HS OF ADVANCED STUDIES?
CLASSEN HS OF ADVANCED STUDIES is overseen by OKLAHOMA CITY in Oklahoma County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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