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SCHOOL COMMUNITY·NORTH CLACKAMAS SD 12·NCES 410883004189

Alder Creek Middle School

13801 SE Webster Rd, Milwaukie, OR 97267 · (503) 353-5700 · Clackamas County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL810 STUDENTS
Enrollment
810
Middle
DISTRICT 901 · STATE 494
Student : Teacher
17.8:1
46 FTE teachers
DISTRICT 18.8:1 · STATE 19.3:1
Free / Reduced Lunch
59%
478 students
DISTRICT 58% · 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
Grade 6
270
Grade 7
267
Grade 8
273
Student demographics
White
46257%
DISTRICT 53% · STATE 57%
Hispanic
25632%
DISTRICT 20% · STATE 26%
Black
192%
DISTRICT 3% · STATE 2%
Asian
192%
DISTRICT 12% · STATE 4%
Two+
476%
DISTRICT 9% · STATE 7%
Pacific Islander
20%
DISTRICT 1% · STATE 1%
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
42052%
Female
38548%

Discussions

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Test scores

OSAS 2024-25 . % Proficient
English Language Arts
23.6%
OR avg 43.0% . -0.7pp since 2023
Math
17.2%
OR avg 31.8% . +1.4pp since 2023
Source: OSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of OR schools after controlling for student poverty
Actual proficiency
17.9%
composite math + reading, all grades
Predicted
39.7%
based on OR schools with similar FRL share
Beats by
-21.8pp
below 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
810
-149 (-16%) vs 2017
Student : Teacher
17.8:1
was 19.6:1
% White
57%
was 63%
% Hispanic
32%
was 24%
% Black
2%
was 1%
% Asian
2%
was 2%
Source: NCES Common Core of Data

About Alder Creek Middle School

Alder Creek Middle School is a substantial junior high in Milwaukie, Oregon, operated by North Clackamas SD 12. The school serves 810 students in grades 6 through 8. Enrollment runs roughly 64% larger than the state mean of about 494.

Across the 31 schools in North Clackamas SD 12 (16,837 students total), Alder Creek Middle School accounts for its share of the district's footprint.

Looking at the student body, Alder Creek Middle School shows that White students make up the majority at 57%. Beyond that, the school lists 32% Hispanic, 6% multiracial, 2% Black, 2% Asian. That is meaningfully less White than the county at large, where the share is closer to 79%.

On the income-and-resources front, On paper, Alder Creek Middle School has 46 full-time-equivalent teachers, translating to a class-load average of around 17.8:1. The state averages around 19.3:1, so this campus is tighter than the state norm typical. Around 59% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. That share is higher than Clackamas County's rate of about 50%.

On a demographically-adjusted basis, Alder Creek Middle School falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 39.7%; this one comes in at 17.9%, -21.8 points off the demographic line.

In the area at large, community-level numbers for Clackamas County indicate median household income runs about $103,517, 41% of adults hold a bachelor's degree or higher, and roughly 5% of residents live below the federal poverty line. Across Clackamas County's 118 public schools (combined enrollment of about 57,601 students), Alder Creek Middle School is one campus in the mix.

Nearest neighbor: Linwood Elementary School, around 0.9 miles off. Counting just inside five miles, 8 other public schools cluster around Alder Creek Middle School. Among the 6 schools in that immediate cluster with test data (this one included), Alder Creek Middle School ranks 5th on composite proficiency, behind the local average of 32.4%.

Geographically, the school is in a commuter-belt area.

Trend over the last 7 years. Looking back 7 years, enrollment at Alder Creek Middle School has ticked down 16%, going from 959 students in 2018 to 810 in 2025. Hispanic enrollment moved from 24% to 32% across the same window. The student-to-teacher ratio fell from 19.6:1 in 2018 to 17.8:1 today.

Within the allk12 community for this school, posts here usually surface around enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.

Clackamas County at a glance

View full county profile
Population
423,975
Census ACS
Median income
$103,517
Household, ACS
Bachelor's+
41%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
118
57,601 students

Quick facts

School name
Alder Creek Middle School
District
North Clackamas SD 12
Address
13801 SE Webster Rd, Milwaukie, OR 97267
Phone
(503) 353-5700
County
Clackamas County
Level
Middle
Grade range
06–08
Total enrollment
810
Teachers (FTE)
46
Student–teacher ratio
17.8:1
Free/Reduced lunch
478 (59%)
Locale
21-Suburb: Large
NCES ID
410883004189
Charter school
No
Virtual school
No

Related schools

Other schools in North Clackamas SD 12
Other schools in Milwaukie
Nearby schools

Frequently asked questions

About Alder Creek Middle School
How many students attend Alder Creek Middle School?
Alder Creek Middle School enrolls approximately 810 students in grades 06-08.
What age range does Alder Creek Middle School serve?
Alder Creek Middle School serves students from grade 06 through grade 08.
How many students per teacher at Alder Creek Middle School?
Approximately 17.8:1 students per teacher at Alder Creek Middle School.
What is the racial breakdown of students at Alder Creek Middle School?
At Alder Creek Middle School, the student body is approximately 57% White, 32% Hispanic, 2% Black, 2% Asian, 6% Two or more.
Who oversees Alder Creek Middle School?
Alder Creek Middle School is overseen by North Clackamas SD 12 in Clackamas County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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