Operational spending at Crystal Lake South High School in McHenry County is 3 percent less than the average Chicago public school.
Crystal Lake South High School is in the CHSD 155 school district, where operational spending is $14,618 per year, per student.
In the Chicago Public School District (CPS), the average school spends $15,120 per year, per student.
The number of students per classroom at Crystal Lake South High School is actually fewer than at CPS. At Crystal Lake South High School, there are 23 students per classroom, while at CPS, there are 24.
However, at CPS, while schools are staffed for full enrollment, 27 percent of students are "chronically truant." That means adjusted for actual student attendance, CPS has 17.5 students per classroom.
At Crystal Lake South High School, the truancy rate is 2.3 percent.
The Chicago Teachers Union has called upon state taxpayers to increase state funding to CPS by 33 percent, or to $20,000 per student. City officials are considering filing a federal lawsuit to require the rest of Illinois to provide this funding.
22.4 percent of students at Crystal Lake South High School earned a passing score on the 2015 Illinois standardized K-12 test, or PARCC exam.
On the same exam, 25 percent of CPS students earned a passing score.
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