Chamberlain Jr. High - 02
School pathway
Test scores
SD Smarter Balanced 2024-25 . % ProficientWhat this means: On the SD Smarter Balanced, South Dakota's statewide test, about 51 of every 100 students at this school read and write at grade level and about 39 of 100 do math at grade level. Across all South Dakota schools, those numbers are about 50 and 47. Reading and writing scores are up about 10 points since 2022, while math scores are up about 11 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 39% of students here test proficient in math and reading, compared with the roughly 42% typical for South Dakota 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 South Dakota's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Chamberlain Jr. High - 02
As a reasonably sized middle-grades school in Chamberlain, South Dakota, Chamberlain Jr. High - 02 serves 208 students from grades 6 through 8, part of Chamberlain School District 07-1.
Across the 3 schools in Chamberlain School District 07-1 (858 students total), Chamberlain Jr. High - 02 accounts for its share of the district's footprint.
In terms of who attends, Chamberlain Jr. High - 02 shows that the largest single group is White at 49%, but no single group is in the majority. Other groups include 38% Native American, 9% multiracial, 3% Hispanic. The wider county runs roughly 82% White, putting the school's mix noticeably less White than the area baseline.
Looking at school resources, The school lists 18 full-time-equivalent teachers, for a student-teacher ratio near 11.7:1. That figure is tighter than the state norm's 13.4:1 average. An estimated 51% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.
On a demographically-adjusted basis, Chamberlain Jr. High - 02 tracks the demographic baseline. The model predicts 42.1% given the school's FRL share; actual proficiency is 39.2%.
Across the wider county, census data for Brule County shows median household income runs about $73,720, 29% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. Chamberlain Jr. High - 02 is one of 9 public schools in Brule County (combined enrollment of about 1,249 students).
Chamberlain Elementary - 03 is the nearest neighboring public school, about 0.0 miles from this campus. Counting just inside five miles, 2 other public schools cluster around Chamberlain Jr. High - 02. Ranking that nearby cluster on reported proficiency puts Chamberlain Jr. High - 02 at 5th of 5; the average score across the group is 51.6%.
The school occupies a small-town site.
Looking at the recent track record. Looking back 7 years, enrollment at Chamberlain Jr. High - 02 has increased 70%, going from 122 students in 2018 to 208 in 2025. Over the same period, the White share decreased from 60% to 49%. Class-load math has loosened: from 9.5:1 in 2018 to 11.7:1 in 2025.
Within the allk12 community for this school, the page collects discussion, questions, and updates around classroom updates, athletics, and weather closures. The community welcomes input from current and former families.
Brule County at a glance
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Related schools
- Chamberlain Elementary - 03Elementary · 407 students
- Chamberlain High School - 01High · 243 students
- Chamberlain Elementary - 03Elementary · 407 students
- Chamberlain High School - 01High · 243 students
- Chamberlain Elementary - 030.0 mi · 407
- Chamberlain High School - 010.0 mi · 243
- Kimball High School - 0118.8 mi · 84
- Kimball Middle School - 0418.8 mi · 92
- Kimball Elementary - 0218.8 mi · 102
- Lower Brule Day School23.3 mi · 337