Community prompt from u/allk12. Replies below.
Boulder Hill Elem School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)BeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Boulder Hill Elem School
Set in Montgomery, Illinois, Boulder Hill Elem School is a mid-tier elementary campus, overseen by CUSD 308. It hosts 476 students across grades K through 5. Enrollment runs roughly 25% larger than the state mean of about 381.
Across the 21 schools in CUSD 308 (16,766 students total), Boulder Hill Elem School accounts for its share of the district's footprint.
Demographically, Boulder Hill Elem School records that 57% of the student body identifies as Hispanic; the rest looks like 25% White, 11% Black, 5% multiracial. By comparison, Kendall County as a whole is about 22% Hispanic, so the school skews considerably more Hispanic than its surroundings.
On the resource side, On paper, Boulder Hill Elem School has 44 full-time-equivalent teachers, translating to a class-load average of around 10.8:1. That figure is tighter than the state norm's 13.9:1 average. An estimated 59% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Kendall County runs at roughly 32%, so the school's eligibility rate is above the surrounding baseline.
After controlling for student poverty, Boulder Hill Elem School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 37.5%; this one delivers 31.3%.
In the surrounding community, community-level numbers for Kendall County indicate median household income runs about $111,601, roughly 37% of adults have completed at least a four-year degree, and the poverty rate sits near 5%. Boulder Hill Elem School is one of 50 public schools in Kendall County (combined enrollment of about 29,773 students).
Nearest neighbor: Old Post Elementary School, around 0.5 miles off. Counting just inside five miles, 8 other public schools cluster around Boulder Hill Elem School. Among the 9 schools in that immediate cluster with test data (this one included), Boulder Hill Elem School ranks 6th on composite proficiency, below the local average of 39.0%.
The campus sits in an outer-ring setting.
Trend over the last 7 years. Over the past 7-year window, the student count edged down 16%: 566 students in 2018 compared to 476 in 2025. White enrollment moved from 35% to 25% across the same window. Class-load math has pulled in: from 14.8:1 in 2018 to 10.8:1 in 2025.
On allk12, members of the Boulder Hill Elem School community share and discuss school events, parent volunteer needs, and clubs. Members of the school community can share what they know.
Kendall County at a glance
View full county profileQuick facts
Related schools
- Oswego High SchoolHigh · 2,870 students
- Oswego East High SchoolHigh · 2,758 students
- Traughber Jr High SchoolMiddle · 1,070 students
- Thompson Jr High SchoolMiddle · 832 students
- Lakewood Creek ElementaryElementary · 767 students
- Murphy Junior High SchoolMiddle · 700 students
- Lakewood Creek ElementaryElementary · 767 students
- Long Beach Elem SchoolElementary · 632 students
- Kaneland McDole Elem SchoolElementary · 440 students
- Nicholson Elem SchoolElementary · 337 students
- Old Post Elementary School0.5 mi · 387
- Long Beach Elem School0.5 mi · 632
- Thompson Jr High School0.9 mi · 832
- Fox Chase Elementary School1.5 mi · 661
- Nicholson Elem School1.7 mi · 337
- Oswego High School1.8 mi · 2,870