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Excellent

#178 of 3,813 schools in IL

Top 5% in state

Grayslake Central High School

High School · Grayslake CHSD 127

400 N Lake St, Grayslake, IL 60030

Enrollment

1,375

Student-Teacher

13.2:1

Score

8.9

Grades

9th – 12th

Data vintage2022-23

How this school compares

Illinois schools

#178 of 3,813

In Grayslake

#1 of 7

public schools

In district

#1 of 2

Grayslake CHSD 127

Academic growth

9.5 / 10

Excellent

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Grayslake Central High School

8.9/10

High School in Grayslake · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Grayslake Middle School

6.4/10

0.5 mi away. Use as a geographic alternative in the same move search.

Woodview School

6.8/10

0.5 mi away. Use as a geographic alternative in the same move search.

About Grayslake Central High School

Grayslake Central High School is a public high school in Grayslake, IL, part of Grayslake CHSD 127. Grayslake Central High School serves approximately 1,375 students, and covers grades 9th-12th, and has a 13.2:1 student-teacher ratio. Grayslake Central High School has a current MySchoolScout rating of 8.9 out of 10 and ranks #178 of 3,813 schools in IL.

Structured state assessment records for Grayslake Central High School show 49% math proficiency (multi-year average, 2009-2021) and 58% reading/ELA proficiency (multi-year average, 2009-2022).

How it comparesOn par with district
  • This school 8.9 · Excellent
  • District avg 8.8
  • IL avg 6.6

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.5Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-1.95 pts/yr
Data Period2009–2022
TrendDeclining
Academics7.7Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency43% (2021 EdFacts)
Reading/ELA Proficiency47% (2022 EdFacts)
Overall Proficiency45% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)49% (model expectation from 2022 EdFacts)
vs. Expected-4.5 pts
Adjusted Percentile65th
College Readiness9.1Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation32.8%
IB ProgramNo
Resources & Environment9.5Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.2:1
Per-Pupil Spending$25,157
Chronic Absenteeism16.2%

Grayslake Central High School — Students at Grayslake Central High School score 45% proficient, which is below what's typical for similar communities (expected: 49%).

How we calculate scores →

Test Scores IL EDFACTS (2021-22)

Math Proficiency 48.8% (multi-year average, 2009-2021)
School
State
N/A
ELA Proficiency 58.4% (multi-year average, 2009-2022)
School
State
N/A

Based on 27 test records from IL state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
59%
ELA
66%
2010
Math
68%
ELA
66%
2011
Math
67%
ELA
69%
2012
Math
69%
ELA
72%
2013
Math
69%
ELA
73%
2014
Math
7%
ELA
55%
2015
Math
11%
ELA
48%
2016
Math
53%
ELA
61%
2017
Math
47%
ELA
55%
2018
Math
49%
ELA
57%
2019
Math
49%
ELA
57%
2020*
Math
43%
ELA
46%
2021*
Math
43%
ELA
46%
2022
ELA
47%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 9.5/10.

How Grayslake Central High School Compares

See how Grayslake Central High School performs across key quality dimensions compared to state benchmarks.

Overall Score
8.9/10
95th percentile in IL
Academic
7.7/10
Very Good
Growth
9.5/10
Excellent
Environment
9.5/10
Excellent
AP Courses
4
State avg: 2.7
Sports
23
12 boys' · 11 girls'
Advanced STEM
5/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Teaching Staff
13:1 student-teacher ratio
104 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
16.2%

Programs & Offerings

AP/IB Programs4 AP courses offered
32.8% participation·State avg: 2.7 AP courses·CRDC 2021-22
Athletics23sports offered
12 boys'·11 girls'·55 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

400 N Lake St, Grayslake, IL 60030

Nearby Alternatives

Families considering Grayslake Central High School may also want to explore other high schools in the area. Grayslake North High School (rated 8.6/10, 1.9 miles away), with a comparable rating. Additionally, Round Lake Senior High School (rated 5.5/10, 2.7 miles away, in nearby Round Lake), a more accessible option. For more schools in Grayslake, see our Grayslake schools guide .

Nearby Schools

20 within 3.0 mi
School Distance Rating
Grayslake Middle School Grayslake 0.5 mi 6.4
Woodview School Grayslake 0.5 mi 6.8
WESTLAKE CHRISTIAN ACADEMY Grayslake 0.7 mi 7.3
Frederick School Grayslake 0.7 mi 5.9
Meadowview School Grayslake 1.2 mi 8.5
ST GILBERT ELEMENTARY SCHOOL Grayslake 1.0 mi 4.8
Prairieview School Hainesville 1.1 mi 8.1
Grayslake Early Childhood Hainesville 1.1 mi 6.1
Grayslake North High School Grayslake 1.9 mi 8.6
Avon Center Elem School Round Lake Beach 2.1 mi 5.8
W J Murphy Elem School Round Lake Park 2.0 mi 6.0
Prairie Crossing Charter School Grayslake 2.3 mi 7.8
Round Lake Beach Elem School Round Lake Beach 2.7 mi 5.0
THE GODDARD SCHOOL THIRD LAKE Third Lake 2.6 mi
CONNECTIONS DAY SCHOOL Libertyville 2.9 mi 6.8
Magee Middle School Round Lake 2.6 mi 5.7
Round Lake Senior High School Round Lake 2.7 mi 5.5
Park East School Round Lake 2.8 mi 7.4
Park West School Round Lake 2.8 mi 7.2
Village Elementary School Round Lake 3.0 mi 4.7

Neighborhood Census ACS (2019-2023)

Census data for ZIP 60030 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$104,920

Median Home Value

$276,800

Median Rent

$1,526/mo

Population

35,579

College Educated

49.4%

Homeownership

82.7%

Avg Commute

27 min

Poverty Rate

5.3%

Median Age

40.9

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Geneva Community High School Geneva, IL 8.9
Lake Zurich High School Lake Zurich, IL 8.9
Glenbard South High School Glen Ellyn, IL 9.0
Lemont Twp High School Lemont, IL 9.0
Prairie Ridge High School Crystal Lake, IL 8.8
Hancock College Preparatory HS Chicago, IL 9.1

Frequently Asked Questions

Common questions about Grayslake Central High School

What grades does Grayslake Central High School serve?

Grayslake Central High School serves students in grades 9th through 12th.

How many students attend Grayslake Central High School?

Grayslake Central High School has an enrollment of approximately 1,375 students.

What is the student-teacher ratio at Grayslake Central High School?

The student-teacher ratio at Grayslake Central High School is 13.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Grayslake Central High School rank in IL?

Grayslake Central High School ranks #178 of 3,813 schools in IL.

What is Grayslake Central High School's MySchoolScout rating?

Grayslake Central High School has a current MySchoolScout rating of 8.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Grayslake Central High School?

Based on loaded state assessment records, Grayslake Central High School has 49% math proficiency (multi-year average, 2009-2021) and 58% reading/ELA proficiency (multi-year average, 2009-2022).

Is Grayslake Central High School a charter school?

No, Grayslake Central High School is not a charter school. It is a traditional public school operated by the local school district.

Is Grayslake Central High School a Title I school?

No, Grayslake Central High School is not currently a Title I school.

11 schools nearby View map →

Neighborhood Context

Walk Score
65 Somewhat Walkable
Transit Score
21 Minimal Transit
Bike Score
53 Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,375
Student-Teacher Ratio
13.2:1
Teachers (FTE)
104
Type
regular
Setting
Large Suburb
County
Lake County
Chronic Absenteeism (SY 2022-23)
16.2%

District

Grayslake CHSD 127
District Enrollment
2,581
Schools in District
2
Per-Pupil Spending
$25,157
District Rank
#1 of 2

Other Schools in This District

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