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Alder Creek Middle School
Test scores
OSAS 2024-25 . % ProficientBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About 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
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