Warren Township High School

34090 N Almond Rd
Gurnee, IL 60031

( shown in map)

Top 30%

www.d121.org

Warren Township High School, or Warren, is a public four-year high school located in Gurnee, a northern suburb of Chicago, in Lake County, in Illinois.

Serving 3,687 students in grades 9-12, Warren Township High School ranks in the top 30% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).

The percentage of students achieving is 34% (which is higher than the Illinois state average of 28%). The percentage of students achieving is 32% (which is higher than the Illinois state average of 30%).

The student:teacher ratio of 17:1 is higher than the Illinois state level of 13:1.

Minority enrollment is 66% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).

Quick Stats (2025)

Grades: 9-12
Enrollment: 3,687 students
Student:Teacher Ratio: 17:1
Minority Enrollment: 66%
: 93% (Top 20% in IL)
: Top 30%
: 34% (Top 30%)
: 32% (Top 50%)
: 58% (Top 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education

Top Rankings

Warren Township High School ranks among the top 20% of public schools in Illinois for:

School Overview

Warren Township High School's student population of 3,687 students has declined by 5% over five school years.

The teacher population of 223 teachers has declined by 5% over five school years.

Grades Offered

Grades 9-12

View Data

Distribution of Students By Grade Trends
Grade	Warren Township High School
9	847
10	914
11	927
12	999

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Total Students

3,687 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Warren Township High School
2023	3,758
2022	3,829
2021	3,908
2020	3,913
2019	3,913
2018	4,158
2017	4,158
2016	4,197
2015	4,276
2014	4,262
2013	4,291
2012	4,442
2011	4,416
2010	4,300
2009	4,213
2008	4,044
2007	3,919
2006	3,828
2005	3,851
2004	3,627
2003	3,570
2002	3,164
2001	2,998
2000	2,906
1999	2,875
1998	2,556
1997	2,447
1996	2,222
1995	2,034
1994	1,914
1993	1,774
1992	1,754
1991	1,600
1990	1,553
1989	1,639
1988	1,612
1987	1,632

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Gender %

Total Classroom Teachers

223 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Warren Township High School
2023	216
2022	219
2020	236
2019	236
2018	257
2017	257
2016	256
2015	260
2012	251
2011	238
2010	244
2009	243
2008	210
2007	222
2006	228
2005	170
2004	194
2003	205
2002	195
2001	168
2000	149
1999	147
1998	141
1997	131
1996	124
1995	113
1994	105
1993	101
1992	94
1991	90
1990	90

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Year Founded

1917

Colors

Royal blue, Gold, Old gold

School Rankings

Warren Township High School ranks within the top 30% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).

The of Warren Township High School is 0.72, which is more than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.

This School

State Level (IL)

#1015 out of 3426 schools
(Top 30%)

View Data

Overall School Rank Trends Over Years (2011-2022)
Year	Warren Township High School
2022	#1015
2021	#842
2019	#911
2018	#1030
2017	#906
2016	#2298
2015	#1551
2014	#841
2013	#1014
2012	#3041
2011	#2838

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(20-21)

34%

28%

View Data

Math Proficiency Comparison Over Years (2010-2021)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2021	34%	28%	34%
2019	42%	33%	42%
2018	38%	32%	37%
2017	43%	32%	42%
2016	15%	31%	15%
2015	20%	29%	20%
2014	69%	59%	69%
2013	65%	58%	65%
2012	63%	80%	63%
2011	68%	80%	68%
2010	64%	80%	64%

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32%

30%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2022	32%	30%	32%
2021	43%	32%	43%
2019	48%	38%	48%
2018	48%	37%	37%
2017	49%	38%	49%
2016	33%	36%	33%
2015	45%	38%	45%
2014	71%	57%	71%
2013	72%	58%	72%
2012	59%	75%	59%
2011	66%	75%	66%

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58%

50%

Student : Teacher Ratio

17:1

13:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	17:1	14:1	17:1
2022	17:1	14:1	17:1
2020	17:1	15:1	17:1
2019	17:1	15:1	17:1
2018	16:1	16:1	16:1
2017	16:1	15:1	16:1
2016	16:1	16:1	16:1
2015	16:1	16:1	16:1
2012	18:1	16:1	18:1
2011	19:1	16:1	19:1
2010	18:1	16:1	18:1
2009	17:1	16:1	17:1
2008	19:1	18:1	19:1
2007	18:1	17:1	18:1
2006	17:1	16:1	17:1
2005	23:1	16:1	23:1
2004	19:1	17:1	19:1
2003	17:1	16:1	17:1
2002	16:1	16:1	16:1
2001	18:1	16:1	18:1
2000	20:1	16:1	20:1
1999	20:1	16:1	20:1
1998	18:1	17:1	18:1
1997	19:1	17:1	19:1
1996	18:1	17:1	18:1
1995	18:1	17:1	18:1
1994	18:1	18:1	18:1
1993	18:1	18:1	18:1
1992	19:1	17:1	19:1
1991	18:1	17:1	18:1
1990	17:1	18:1	17:1

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American Indian

n/a

Asian

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	9%	6%	9%
2022	10%	5%	10%
2021	11%	5%	11%
2020	11%	5%	11%
2019	11%	5%	11%
2018	11%	5%	11%
2017	11%	5%	11%
2016	11%	5%	11%
2015	10%	6%	10%
2014	9%	5%	9%
2013	10%	5%	10%
2012	9%	4%	9%
2011	9%	5%	9%
2010	11%	5%	11%
2009	10%	5%	10%
2008	11%	5%	11%
2007	11%	5%	11%
2006	16%	5%	17%
2005	9%	5%	9%
2004	9%	4%	9%
2003	9%	4%	9%
2002	10%	4%	10%
2001	8%	4%	8%
2000	8%	3%	8%
1999	8%	3%	8%
1998	8%	3%	8%
1997	7%	3%	7%
1996	6%	3%	6%
1995	5%	3%	5%
1994	4%	3%	4%
1993	4%	3%	4%
1992	3%	3%	3%
1991	3%	3%	3%

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Hispanic

38%

28%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	38%	27%	38%
2022	37%	27%	37%
2021	36%	27%	36%
2020	32%	26%	32%
2019	32%	26%	32%
2018	30%	26%	30%
2017	30%	26%	30%
2016	29%	26%	29%
2015	28%	25%	28%
2014	27%	25%	27%
2013	24%	24%	24%
2012	23%	24%	23%
2011	22%	23%	22%
2010	20%	22%	20%
2009	19%	22%	19%
2008	16%	21%	16%
2007	14%	20%	14%
2006	12%	19%	12%
2005	14%	18%	14%
2004	13%	18%	13%
2003	14%	17%	14%
2002	12%	16%	12%
2001	11%	15%	11%
2000	10%	15%	10%
1999	9%	14%	9%
1998	9%	13%	9%
1997	8%	13%	8%
1996	8%	12%	8%
1995	7%	12%	7%
1994	6%	11%	6%
1993	5%	11%	5%
1992	4%	10%	4%
1991	3%	10%	3%

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Black

15%

16%

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	13%	17%	13%
2022	12%	17%	12%
2021	10%	17%	10%
2020	10%	17%	10%
2019	10%	17%	10%
2018	9%	17%	9%
2017	9%	17%	9%
2016	10%	17%	10%
2015	10%	17%	10%
2014	10%	17%	10%
2013	10%	18%	10%
2012	10%	18%	10%
2011	10%	18%	10%
2010	11%	20%	11%
2009	11%	20%	11%
2008	10%	20%	10%
2007	10%	20%	10%
2006	68%	20%	68%
2005	9%	20%	9%
2004	8%	21%	8%
2003	8%	21%	8%
2002	7%	21%	7%
2001	8%	21%	8%
2000	7%	21%	7%
1999	8%	21%	8%
1998	7%	21%	7%
1997	7%	20%	7%
1996	5%	21%	5%
1995	6%	20%	6%
1994	5%	21%	5%
1993	5%	21%	5%
1992	5%	21%	5%
1991	4%	21%	4%

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White

34%

45%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	36%	45%	36%
2022	36%	47%	36%
2021	38%	47%	38%
2020	39%	48%	39%
2019	39%	48%	39%
2018	46%	49%	46%
2017	46%	49%	46%
2016	46%	49%	46%
2015	48%	49%	48%
2014	50%	50%	50%
2013	52%	50%	52%
2012	54%	51%	54%
2011	55%	51%	55%
2010	58%	53%	58%
2009	60%	53%	60%
2008	61%	54%	61%
2007	64%	55%	64%
2006	3%	56%	3%
2005	67%	57%	67%
2004	68%	57%	68%
2003	68%	58%	68%
2002	71%	59%	71%
2001	73%	60%	73%
2000	75%	61%	75%
1999	75%	62%	75%
1998	76%	63%	76%
1997	77%	64%	77%
1996	81%	64%	81%
1995	81%	65%	81%
1994	84%	65%	84%
1993	85%	65%	85%
1992	87%	66%	87%
1991	90%	66%	90%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	4%	4%	4%
2022	5%	4%	5%
2021	5%	4%	5%
2020	8%	4%	8%
2019	8%	4%	8%
2018	4%	3%	4%
2017	4%	3%	4%
2016	4%	3%	4%
2015	4%	3%	4%
2014	4%	3%	4%
2013	4%	3%	4%

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All Ethnic Groups

0.72

0.70

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	0.71	0.70	0.71
2022	0.71	0.68	0.71
2021	0.71	0.68	0.71
2020	0.72	0.68	0.72
2019	0.72	0.68	0.72
2018	0.68	0.67	0.68
2017	0.68	0.67	0.68
2016	0.69	0.67	0.69
2015	0.68	0.67	0.68
2014	0.66	0.66	0.66
2013	0.66	0.66	0.66
2012	0.64	0.65	0.64
2011	0.64	0.66	0.64
2010	0.62	0.64	0.61
2009	0.61	0.64	0.59
2008	0.59	0.64	0.59
2007	0.55	0.63	0.55
2006	0.53	0.61	0.47
2005	0.52	0.61	0.52
2004	0.51	0.60	0.51
2003	0.50	0.59	0.51
2002	0.47	0.59	0.47
2001	0.45	0.58	0.45
2000	0.42	0.57	0.42
1999	0.42	0.56	0.42
1998	0.41	0.56	0.41
1997	0.39	0.54	0.39
1996	0.33	0.53	0.33
1995	0.33	0.53	0.34
1994	0.29	0.52	0.29
1993	0.27	0.52	0.27
1992	0.23	0.52	0.24
1991	0.19	0.52	0.19

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93%

87%

View Data

Graduation Rate Comparison Over Years (2011-2022)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2022	93%	87%	93%
2018	95%	87%	94%
2017	95%	87%	94%
2016	93%	85%	93%
2015	95%	85%	95%
2014	93%	86%	93%
2013	93%	83%	93%
2012	92%	82%	92%
2011	89%	83%	89%

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Eligible for

18%

43%

View Data

Free Lunch Eligibility Comparison Over Years (2013-2023)
Year	Warren Township High School	Illinois	Warren TWP HSD 121 School District
2023	17%	43%	17%
2022	17%	43%	17%
2021	17%	44%	17%
2020	17%	47%	17%
2019	17%	47%	17%
2018	15%	46%	15%
2017	15%	46%	15%
2016	17%	47%	17%
2015	21%	52%	21%
2014	15%	47%	15%
2013	15%	45%	15%

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Eligible for (11-12)

27%

School Statewide Testing

View Education Department Test Scores

School District Name

Warren TWP HSD 121 School District

Source: National Center for Education Statistics (NCES), IL Dept. of Education

School Notes

School Mascot: Blue Devil

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Warren Township High School's ranking?

Warren Township High School is ranked #1015 out of 3,426 schools, which ranks it among the top 30% of public schools in Illinois.

What percent of students have achieved state testing proficiency in math and reading?

34% of students have achieved math proficiency (compared to the 28% IL state average), while 32% of students have achieved reading proficiency (compared to the 30% IL state average).

What is the graduation rate of Warren Township High School?

The graduation rate of Warren Township High School is 93%, which is higher than the Illinois state average of 87%.

How many students attend Warren Township High School?

3,687 students attend Warren Township High School.

What is the racial composition of the student body?

38% of Warren Township High School students are Hispanic, 34% of students are White, 15% of students are Black, 9% of students are Asian, 3% of students are Two or more races, and 1% of students are Hawaiian.

What is the student:teacher ratio of Warren Township High School?

Warren Township High School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.

What grades does Warren Township High School offer ?

Warren Township High School offers enrollment in grades 9-12

What school district is Warren Township High School part of?

Warren Township High School is part of Warren TWP HSD 121 School District.

School Reviews

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Quick Stats (2025)

Grades: 9-12
Enrollment: 3,687 students
Student:Teacher Ratio: 17:1
Minority Enrollment: 66%
: 93% (Top 20%)
: Top 30%
: 34% (Top 30%)
: 32% (Top 50%)
: 58% (Top 50%)
Source: National Center for Education Statistics (NCES), IL Dept. of Education