Summary:
ZIP code 55318 covers Chaska, Minnesota, and contains 14 schools serving students from kindergarten through grade 12 — 5 elementary, 4 middle, and 5 high schools — with roughly 5,625 students enrolled overall. Twelve of the 14 belong to Eastern Carver County Public School, a district ranked 30 of 458 in Minnesota (93rd percentile, 5 stars). The remaining two are World Learner Charter School, which forms its own charter district, and SW Metro Chaska Level 4, part of Southwest Metro Intermediate 288.
The middle schools are the strongest cluster in the ZIP. Chaska Middle School West is the highest-ranked school here, at 23 of 546 middle schools (96th percentile, 5 stars), while Pioneer Ridge Middle School (44 of 546) and Chaska Middle School East (48 of 546) also earn 5 stars. Among elementaries, Jonathan Elementary ranks 100 of 869 (88th percentile, 4 stars) and posts the ZIP's highest all-grade reading proficiency at 70.1, while Clover Ridge Elementary has the strongest elementary science score at 40.0. La Academia is the most improved, climbing from the 59th to the 78th percentile, with math 64.7 and reading 62.7 now near district levels.
Chaska High School, the largest school with 1,495 students, has strong completion metrics — a 95.7% graduation rate and 1.7% dropout rate — plus science proficiency of 41.1, though reading is 46.0, below the state's 48.6. Science is a relative weak spot at several middle schools, including East (17.0) and Pioneer Ridge (18.1). The specialized and alternative programs — SW Metro Chaska Level 4, Integrated Arts Academy, 112 Alternative Learning Center Independent Study, and Steps Toward Adult Responsibility — serve far smaller populations, with free/reduced lunch rates of 34% to 53% and very low student/teacher ratios; their scores are often low or suppressed, and suppressed values should not be read as zero. World Learner Charter School ranks 495 of 869 (43rd percentile, 2 stars), with reading above the state but math below it.
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