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SCHOOL COMMUNITY·CENTENNIAL SD 28J·NCES 410280001013

Centennial Middle School

17650 SE Brooklyn St, Portland, OR 97236 · (503) 762-3206 · Multnomah County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL876 STUDENTS
B-
allk12 Grade
Scored higher than 47% of Oregon public middle schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Oregon public middle schools

Enrollment
876
Middle
DISTRICT 656 · STATE 494
Student : Teacher
20.3:1
43 FTE teachers
DISTRICT 20.4:1 · STATE 19.3:1
Free / Reduced Lunch
102%
895 students
DISTRICT 98% · STATE 76%
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 629634%
Grade 727932%
Grade 830134%
Student demographics
75%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · STATE 59% · US 70%
White
29834%
DISTRICT 33% · STATE 57% · US 43%
Hispanic
25829%
DISTRICT 33% · STATE 26% · US 30%
Black
799%
DISTRICT 9% · STATE 2% · US 15%
Asian
14216%
DISTRICT 14% · STATE 4% · US 6%
Two+
597%
DISTRICT 7% · STATE 7% · US 5%
Native American
81%
DISTRICT 1% · STATE 1% · US 1%
Pacific Islander
273%
DISTRICT 3% · STATE 1% · 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
46053%
Female
41147%

School pathway

Students here typically continue to
Centennial Middle School→Centennial High School
Based on grade levels within Centennial SD 28J. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

OSAS 2024-25 . % Proficient
English Language Arts
36.0%
OR avg 43.0% . +1.9pp since 2023
Math
20.6%
OR avg 31.8% . +2.5pp since 2023

What this means: On the OSAS, Oregon's statewide test, about 36 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 Oregon schools, those numbers are about 43 and 32. Reading and writing scores are up about 2 points since 2023, while math scores are up about 3 points.

OSAS results by year

School yearEnglish Language ArtsMath
2024-2536.0%20.6%
2023-2434.1%18.1%
% Proficient, all students and all tested grades.
Source: OSAS. 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
24.1%
composite math + reading, all grades
Predicted
22.9%
based on OR schools with similar FRL share
Beats by
+1.1pp
above demographic expectation

What this means: About 24% of students here test proficient in math and reading, compared with the roughly 23% typical for Oregon 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 Oregon'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 →

Where Centennial Middle School ranks

Among middle schools
MeasureThis schoolIn OregonIn Multnomah County
State test proficiency
ranked highest first
24.1%#139 of 190#17 of 26
Math proficiency
ranked highest first
20.6%#143 of 200
▲ 2
#18 of 27
▲ 1
Reading proficiency
ranked highest first
36.0%#126 of 201
▲ 6
#16 of 27
no change
Enrollment
ranked largest first
876#11 of 208#1 of 27
Students per teacher
ranked fewest first
20.3:1#142 of 180#26 of 27
Diversity index
ranked most diverse first
75.5%#6 of 180#6 of 27
Free and reduced lunch
ranked highest share first
102%#7 of 194#2 of 27
Enrollment change since 2017-18
ranked steepest decline first
-6.4%#114 of 141#18 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
876
-56 (-6%) vs 2020
+7% since 1990-91, when it was 820
Student : Teacher
20.3:1
was 22.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2587643.120.3:1N/A
2023-2486741.221.0:170% (610)
2022-2387641.321.2:168% (595)
2020-219324122.7:1N/A
2017-1893645.520.6:168% (638)
2015-169134420.8:172% (655)
2010-119644521.4:165% (628)
2000-019504819.8:127% (260)
1990-918204319.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Centennial Middle School.

Since 2017-18: students down 6% (936 to 876); teachers down 5% (45.5 to 43.1).

About Centennial Middle School

Centennial Middle School is a public middle school in Portland, Oregon. It enrolled 876 students in grades 6 through 8 for the 2024-25 school year. Enrollment is 77% higher than the average for middle schools in Oregon, which is about 494.

Centennial Middle School is a school in Centennial SD 28J. The district has 9 schools and 5,304 students.

By race and ethnicity, the largest group at Centennial Middle School is White (34%). Smaller groups are 29% Hispanic, 16% Asian, 9% Black, and 7% multiracial. For comparison, the population of Multnomah County is roughly 68% White. Centennial Middle School has a diversity index of 75%, compared with 70% for all US public school students.

The school reports 43.1 full-time-equivalent teachers, which works out to about 20.3 students per teacher. For comparison, middle schools in Oregon average 19.3:1.

The allk12 Grade for Centennial Middle School is B-. Compared with Oregon public middle schools, the school scored higher than 47% on a mix of test scores, poverty-adjusted results, and recent trend.

On BeatsExpectations, Centennial Middle School is 1.1 points above its prediction, a result in the middle 80% of Oregon schools.

Census Bureau estimates for Multnomah County show that median household income is about $88,766, 49% of adults hold a bachelor's degree or higher, and about 7% of residents live below the federal poverty line. A total of 169 public schools operate in Multnomah County, serving about 81,096 students.

Meadows Elementary is the nearest neighboring public school, less than a tenth of a mile away. Counting only straight-line distance, at least 8 other public schools are within five miles. In a group of 9 nearby schools with scores, Centennial Middle School ranks 1st on average proficiency.

For locale, NCES codes Centennial Middle School as Suburb: Large.

The student count in 2024-25 was 876, 6% below the 932 of 2020-21. The number of students per teacher fell from 22.7 to 20.3 over 4 years.

If you have questions about science fairs, picture day, and bus routes at Centennial Middle School, you can post them here. Anyone with firsthand experience at this school can post or comment.

Multnomah County at a glance

View full county profile
Population
801,477
Census ACS
Median income
$88,766
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
169
81,096 students

Quick facts

School name
Centennial Middle School
District
Centennial SD 28J
Address
17650 SE Brooklyn St, Portland, OR 97236
Phone
(503) 762-3206
County
Multnomah County
Level
Middle
Grade range
06–08
Total enrollment
876
Teachers (FTE)
43
Student–teacher ratio
20.3:1
Free and reduced lunch
895 (102%)
Locale
21-Suburb: Large
NCES ID
410280001013
Charter school
No
Virtual school
No

Related schools

Other schools in Centennial SD 28J
Other schools in Portland
Other Centennial Middle schools

12 other US public schools in 11 states are named Centennial Middle. Centennial Middle School is the 5th largest of the 13.

Nearby schools

Frequently asked questions

About Centennial Middle School
How large is Centennial Middle School?
Centennial Middle School enrolls approximately 876 students in grades 06-08.
What grades does Centennial Middle School serve?
Centennial Middle School serves grades 06-08.
How many students per teacher at Centennial Middle School?
Approximately 20.3:1 students per teacher at Centennial Middle School.
What is the student diversity at Centennial Middle School?
Student demographics at Centennial Middle School are roughly 34% White, 29% Hispanic, 9% Black, 16% Asian, 7% Two or more.
Is Centennial Middle School public or private?
Centennial Middle School is a public K-12 school, overseen by Centennial SD 28J.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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