John S Clark Elem School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 47 of every 100 students at this school read and write at grade level and about 43 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 7 points since 2023, while math scores are up about 14 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 44% of students here test proficient in math and reading, compared with the roughly 32% 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 John S Clark Elem School
John S Clark Elem School is a compact elementary-level community in Waukegan, Illinois, one of the schools within Waukegan CUSD 60. The school enrolls 262 students in grades K through 5. Compared to the state average of about 381 students per school, that is 31% below typical.
Within Waukegan CUSD 60, which oversees 22 schools and 13,640 students, John S Clark Elem School is one campus in the system.
For racial and ethnic makeup, John S Clark Elem School reports that 66% of the student body identifies as Hispanic. The remainder breaks down as 20% Asian, 6% White, 4% Black, 2% multiracial. By comparison, Lake County as a whole is about 25% Hispanic, so the school skews visibly more Hispanic than its surroundings.
Looking at school resources, Staff filings list 24 full-time-equivalent teachers, which works out to roughly 10.9:1 students per teacher. The state averages around 13.9:1, so this campus is tighter than the state norm typical. Around 68% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. By comparison, Lake County runs at roughly 54%, so the school's eligibility rate is meaningfully above the surrounding baseline.
After controlling for student poverty, John S Clark Elem School tracks the demographic baseline. The model predicts 32.3% given the school's FRL share; actual proficiency is 43.7%.
In the surrounding community, census data for Lake County shows median household earnings sit near $110,416, 48% of adults hold a bachelor's degree or higher, and the poverty rate sits near 6%. John S Clark Elem School is one of 214 public schools in Lake County (combined enrollment of about 118,032 students).
Jack Benny Middle School is the nearest neighboring public school, about 0.5 miles from this campus. Counting just inside five miles, 8 other public schools cluster around John S Clark Elem School. Among the 9 schools in that immediate cluster with test data (this one included), John S Clark Elem School ranks 2nd on composite proficiency, above the local average of 25.2%.
The campus sits in a residential setting.
Looking at the recent track record. Looking back 7 years, enrollment at John S Clark Elem School has climbed 11%, going from 236 students in 2018 to 262 in 2025. Over the same period, the Asian share ticked up from 8% to 20%.
On allk12, the feed for John S Clark Elem School typically covers pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.
Lake County at a glance
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