Charter Oak Primary School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 55 of every 100 students at this school read and write at grade level and about 38 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 22 points since 2023, while math scores are down about 2 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 44% of students here test proficient in math and reading, compared with the roughly 33% typical for Illinois 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 Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Charter Oak Primary School
Charter Oak Primary School is a mid-tier K-5 school in Peoria, Illinois, overseen by Peoria SD 150. The school teaches 337 students in grades K through 4.
Charter Oak Primary School is one of 25 schools operated by Peoria SD 150, a district that teaches 13,312 students overall.
For racial and ethnic makeup, Charter Oak Primary School shows that the largest single group is Black at 46%, but no single group is in the majority. Beyond that, the school records 28% White, 16% multiracial, 8% Hispanic. By comparison, Peoria County as a whole is about 17% Black, so the school skews visibly more Black than its surroundings.
On the resource side, Staff filings list 25 full-time-equivalent teachers, which works out to roughly 13.6:1 students per teacher. The state averages about 13.9:1, putting this campus right in line with peers. An estimated 67% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Peoria County (around 57%), the school's rate is meaningfully above typical.
After controlling for student poverty, Charter Oak Primary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 33.0%; this one delivers 44.1%.
Across the wider county, ACS estimates for Peoria County put median household income runs about $65,108, 35% of adults hold a bachelor's degree or higher, and the poverty rate sits near 10%. In all, Peoria County runs 81 public schools (combined enrollment of about 27,827 students), of which Charter Oak Primary School is one.
Mark W Bills Middle School is the nearest neighboring public school, about 0.7 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Charter Oak Primary School comes 3rd of 9 in the immediate cluster, higher than the nearby-schools average of 30.1%.
The campus sits in an inner-city setting.
Looking at the recent track record. Looking back 7 years, enrollment at Charter Oak Primary School has fell 10%, going from 375 students in 2018 to 337 in 2025. The White share of enrollment contracted from 33% to 28% over that span. The student-to-teacher ratio fell from 14.8:1 in 2018 to 13.6:1 today.
Within the allk12 community for this school, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Members of the school community can share what they know.
Peoria County at a glance
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