Cambridge Lakes Charter School

Set in Pingree Grove, Illinois, Cambridge Lakes Charter School is a mid-sized all-grades campus, operated by CUSD 300. It serves 642 students across grades K through 12.

Cambridge Lakes Charter School is one of 27 schools operated by CUSD 300, a district that instructs 20,705 students overall.

For racial and ethnic makeup, Cambridge Lakes Charter School shows that 39% of students identify as White, with the remaining enrollment distributed across several groups. Beyond that, the school logs 35% Hispanic, 12% Asian, 7% multiracial, 7% Black. The wider county runs roughly 58% White, putting the school's mix noticeably less White than the area baseline.

On the resource side, On paper, Cambridge Lakes Charter School has 49 full-time-equivalent teachers, translating to a class-load average of around 13.1:1. That figure is higher than the state norm's 12.0:1 average. An estimated 15% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is below Kane County's rate of about 48%.

Adjusting for the school's free-and-reduced-lunch share, On a poverty-adjusted basis, Cambridge Lakes Charter School sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 62.6%; actual is 41.3%, a gap of -21.3 points.

Across the wider county, ACS estimates for Kane County put median household earnings sit near $103,163, roughly 38% of adults have completed at least a four-year degree, and the poverty rate sits near 6%. Across Kane County's 167 public schools (combined enrollment of about 87,252 students), Cambridge Lakes Charter School is one campus in the mix.

Country Trails Elem is the nearest neighboring public school, about 2.6 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Cambridge Lakes Charter School. Ranking that nearby cluster on reported proficiency puts Cambridge Lakes Charter School at 9th of 9; the average score across the group is 54.0%.

The campus sits in a residential setting. Cambridge Lakes Charter School operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.

Trend over the last 7 years. Over the past 7-year window, the student count contracted 22%: 828 students in 2018 compared to 642 in 2025. Over the same period, the Hispanic share increased from 29% to 35%. The student-to-teacher ratio tightened from 15.3:1 in 2018 to 13.1:1 today.

Within the allk12 community for this school, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.