Tonawanda Elementary School (Ranked Top 1% for 2025-26)

13605 Underwood River Pkwy
Elm Grove, WI 53122

( shown in map)

10/

Top 1%

Serving 520 students in grades Prekindergarten-5, Tonawanda Elementary School ranks in the top 1% of all schools in Wisconsin for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).

The percentage of students achieving is 86% (which is higher than the Wisconsin state average of 40%). The percentage of students achieving is 75-79% (which is higher than the Wisconsin state average of 38%).

The student-teacher ratio of 15:1 is higher than the Wisconsin state level of 13:1.

Minority enrollment is 18% of the student body (majority Hispanic and Asian), which is lower than the Wisconsin state average of 33% (majority Hispanic).

Quick Facts (2025-26)

Grades: Prekindergarten-5
Enrollment: 520 students
Student-Teacher Ratio: 15:1
Minority Enrollment: 18%
: Top 1% in WI
: 86% (Top 1%)
: 75-79% (Top 1%)
: 90-94% (Top 1%)
Source: National Center for Education Statistics (NCES), WI Dept. of Education

Top Rankings

Tonawanda Elementary School ranks among the top 20% of public schools in Wisconsin for:

School Overview

Tonawanda Elementary School's student population of 520 students has grown by 30% over five school years.

The teacher population of 34 teachers has grown by 30% over five school years.

Grades Offered

Grades Prekindergarten-5
(Supplemental Virtual)

View Data

Distribution of Students By Grade Trends
Grade	Tonawanda Elementary School
Pre-K	42
Kind	74
1	88
2	78
3	87
4	86
5	65

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Total Students

520 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Tonawanda Elementary School
2023	525
2022	500
2021	408
2020	399
2019	399
2018	378
2017	378
2016	363
2015	381
2014	376
2013	400
2012	407
2011	406
2010	394
2009	394
2008	407
2007	397
2006	391
2005	377
2004	409
2003	396
2002	369
2001	394
2000	404
1999	410
1998	401
1997	483
1996	496
1995	520
1994	516
1993	520
1992	502
1991	462
1990	438
1989	459
1988	520
1987	480

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Gender %

Total Classroom Teachers

34 teachers

View Data

Total Classroom Teachers Trends Over Years (1990-2023)
Year	Tonawanda Elementary School
2023	33
2022	33
2021	29
2020	26
2019	26
2018	26
2017	26
2016	24
2014	25
2013	25
2012	25
2011	25
2010	25
2009	24
2008	26
2007	25
2006	27
2005	30
2004	26
2003	27
2002	26
2001	25
2000	24
1999	24
1998	25
1997	31
1996	29
1995	32
1994	30
1993	31
1992	30
1991	28
1990	29

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School Calendar

School Motto

The mission of the School District of Elmbrook is to educate and inspire every student to think, to learn, and to succeed.

School Rankings

Tonawanda Elementary School ranks within the top 1% of all 1,962 schools in Wisconsin (based off of combined math and reading proficiency testing data).

The of Tonawanda Elementary School is 0.32, which is less than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.

This School

State Level (WI)

#5 out of 1962 schools
(Top 1%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Tonawanda Elementary School
2023	#5
2022	#8
2021	#22
2019	#22
2018	#26
2017	#18
2016	#32
2015	#16
2014	#50
2013	#66
2012	#182

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86%

40%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	86%	40%	68%
2022	82%	39%	66%
2021	72%	38%	61%
2019	77%	43%	68%
2018	77%	44%	68%
2017	77%	43%	68%
2016	72%	43%	67%
2015	77%	44%	71%
2014	83%	49%	77%
2013	78%	48%	75%
2012	78%	49%	73%

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75-79%

38%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2022	77%	38%	62%
2021	67%	39%	60%
2019	72%	41%	61%
2018	72%	43%	68%
2017	77%	45%	62%
2016	72%	44%	64%
2015	85%	52%	74%
2014	56%	37%	56%
2013	53%	37%	55%
2012	46%	36%	55%
2011	90%	83%	93%

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90-94%

44%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2022	92%	44%	66%
2021	82%	44%	62%

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Student-Teacher Ratio

15:1

13:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	16:1	13:1	15:1
2022	15:1	13:1	15:1
2021	14:1	13:1	15:1
2020	15:1	14:1	15:1
2019	15:1	14:1	15:1
2018	15:1	15:1	15:1
2017	15:1	14:1	15:1
2016	15:1	15:1	15:1
2014	15:1	15:1	15:1
2013	16:1	15:1	15:1
2012	16:1	15:1	16:1
2011	16:1	15:1	16:1
2010	16:1	15:1	15:1
2009	16:1	14:1	15:1
2008	16:1	14:1	15:1
2007	16:1	15:1	16:1
2006	14:1	14:1	15:1
2005	13:1	14:1	15:1
2004	16:1	15:1	16:1
2003	15:1	15:1	16:1
2002	14:1	15:1	16:1
2001	16:1	15:1	16:1
2000	17:1	15:1	16:1
1999	17:1	15:1	16:1
1998	16:1	15:1	16:1
1997	16:1	16:1	16:1
1996	17:1	16:1	16:1
1995	16:1	16:1	16:1
1994	17:1	16:1	15:1
1993	17:1	16:1	15:1
1992	17:1	16:1	14:1
1991	17:1	16:1	14:1
1990	15:1	16:1	14:1

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American Indian

n/a

Asian

View Data

Asian Student Percentage Comparison Over Years (1991-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	5%	4%	15%
2022	4%	4%	15%
2021	4%	4%	15%
2020	4%	4%	16%
2019	4%	4%	16%
2018	6%	4%	15%
2017	6%	4%	15%
2016	6%	4%	14%
2015	7%	4%	13%
2014	6%	4%	13%
2013	9%	4%	12%
2012	11%	4%	11%
2011	10%	4%	11%
2010	10%	4%	11%
2009	9%	4%	11%
2008	7%	4%	10%
2007	7%	4%	9%
2006	6%	4%	8%
2005	5%	4%	7%
2004	6%	3%	6%
2003	6%	3%	6%
2002	5%	3%	6%
2001	4%	3%	6%
2000	4%	3%	6%
1999	4%	3%	6%
1998	3%	3%	5%
1997	3%	3%	5%
1996	2%	3%	5%
1995	3%	3%	5%
1994	3%	2%	5%
1993	3%	2%	4%
1992	4%	2%	4%
1991	3%	2%	4%

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Hispanic

14%

View Data

Hispanic Student Percentage Comparison Over Years (1989-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	5%	14%	7%
2022	6%	13%	7%
2021	6%	13%	7%
2020	6%	13%	6%
2019	6%	13%	6%
2018	5%	12%	6%
2017	5%	12%	6%
2016	5%	11%	6%
2015	5%	11%	5%
2014	5%	10%	5%
2013	5%	10%	5%
2012	4%	10%	4%
2011	3%	9%	4%
2010	2%	8%	3%
2009	2%	8%	2%
2008	2%	8%	2%
2007	2%	7%	2%
2006	2%	6%	2%
2005	2%	6%	2%
2004	1%	6%	2%
2003	2%	5%	2%
2002	1%	5%	2%
2001	2%	5%	1%
2000	1%	4%	1%
1999	1%	4%	1%
1995	1%	3%	1%
1994	1%	3%	1%
1993	1%	3%	1%
1991	1%	3%	1%
1990	1%	2%	1%
1989	1%	2%	1%

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Black

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	2%	9%	3%
2022	2%	9%	3%
2021	1%	9%	3%
2020	1%	9%	3%
2019	1%	9%	3%
2016	1%	9%	3%
2015	2%	10%	3%
2014	3%	10%	4%
2013	2%	10%	4%
2012	4%	10%	5%
2011	5%	10%	5%
2010	6%	10%	5%
2009	7%	10%	5%
2008	5%	10%	5%
2007	5%	10%	5%
2006	5%	10%	5%
2005	4%	10%	5%
2004	4%	10%	5%
2003	5%	10%	5%
2002	4%	10%	5%
2001	6%	10%	5%
2000	4%	9%	5%
1999	6%	9%	5%
1998	6%	9%	5%
1997	6%	9%	4%
1996	7%	9%	4%
1995	8%	8%	4%
1994	7%	9%	4%
1993	7%	8%	4%
1992	6%	8%	3%
1991	6%	8%	3%

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White

82%

67%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	82%	67%	70%
2022	82%	68%	70%
2021	85%	68%	70%
2020	86%	69%	70%
2019	86%	69%	70%
2018	86%	70%	72%
2017	86%	70%	72%
2016	87%	71%	74%
2015	85%	71%	76%
2014	85%	72%	76%
2013	83%	73%	77%
2012	81%	74%	78%
2011	81%	74%	79%
2010	82%	76%	81%
2009	82%	76%	82%
2008	86%	77%	83%
2007	86%	77%	84%
2006	87%	78%	85%
2005	89%	78%	86%
2004	89%	79%	87%
2003	86%	79%	87%
2002	90%	80%	87%
2001	88%	80%	88%
2000	91%	82%	88%
1999	89%	83%	88%
1998	91%	83%	89%
1997	91%	84%	90%
1996	91%	84%	90%
1995	88%	85%	90%
1994	89%	85%	90%
1993	89%	86%	91%
1992	90%	86%	92%
1991	90%	86%	92%

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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	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	6%	5%	5%
2022	6%	5%	5%
2021	4%	5%	5%
2020	3%	4%	5%
2019	3%	4%	5%
2018	3%	3%	4%
2017	3%	3%	4%
2016	1%	3%	3%
2015	1%	3%	3%
2014	1%	2%	2%
2013	1%	2%	2%

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All Ethnic Groups

0.32

0.53

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	0.32	0.52	0.49
2022	0.32	0.51	0.48
2021	0.27	0.51	0.48
2020	0.26	0.50	0.48
2019	0.26	0.50	0.48
2018	0.26	0.49	0.45
2017	0.26	0.49	0.45
2016	0.24	0.48	0.43
2015	0.27	0.48	0.41
2014	0.28	0.46	0.41
2013	0.30	0.45	0.39
2012	0.34	0.44	0.38
2011	0.33	0.44	0.36
2010	0.32	0.41	0.33
2009	0.31	0.41	0.31
2008	0.26	0.39	0.30
2007	0.26	0.39	0.28
2006	0.24	0.39	0.27
2005	0.21	0.38	0.26
2004	0.20	0.36	0.24
2003	0.26	0.37	0.23
2002	0.19	0.35	0.22
2001	0.21	0.34	0.23
2000	0.17	0.32	0.22
1999	0.20	0.30	0.21
1998	0.17	0.30	0.20
1997	0.17	0.30	0.20
1996	0.17	0.29	0.20
1995	0.21	0.27	0.19
1994	0.20	0.26	0.18
1993	0.20	0.26	0.17
1992	0.19	0.26	0.16
1991	0.19	0.26	0.14

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Participates in the

Yes

Eligible for

37%

View Data

Free Lunch Eligibility Comparison Over Years (1990-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	7%	36%	7%
2022	8%	36%	9%
2021	8%	38%	9%
2020	3%	35%	7%
2019	3%	35%	7%
2018	4%	33%	5%
2017	4%	33%	5%
2016	5%	34%	7%
2015	3%	36%	8%
2014	5%	36%	9%
2013	7%	35%	10%
2012	6%	35%	9%
2011	8%	33%	8%
2010	5%	30%	7%
2009	6%	26%	5%
2008	5%	25%	5%
2007	4%	24%	4%
2001	4%	18%	4%
2000	3%	19%	4%
1999	3%	20%	4%
1998	3%	20%	4%
1997	3%	20%	3%
1996	4%	20%	4%
1995	3%	15%	3%
1994	4%	20%	4%
1993	4%	20%	4%
1992	3%	18%	3%
1990	2%	17%	2%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2000-2023)
Year	Tonawanda Elementary School	Wisconsin	Elmbrook School District
2023	1%	4%	1%
2022	1%	4%	2%
2021	1%	5%	2%
2020	1%	5%	1%
2019	1%	5%	1%
2016	1%	6%	2%
2015	1%	5%	2%
2014	2%	6%	2%
2013	2%	6%	2%
2012	2%	6%	3%
2011	1%	6%	3%
2010	4%	7%	3%
2009	3%	8%	3%
2008	2%	7%	2%
2007	3%	7%	3%
2001	1%	7%	1%
2000	1%	7%	1%

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School Statewide Testing

School District Name

Elmbrook School District

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

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Tonawanda Elementary School's ranking?

Tonawanda Elementary School is ranked #5 out of 1,962 schools, which ranks it among the top 1% of public schools in Wisconsin.

What schools are Tonawanda Elementary School often compared to?

Tonawanda Elementary Schoolis often viewed alongside schools like Brookfield Elementary School, Swanson Elementary School by visitors of our site.

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

86% of students have achieved math proficiency (compared to the 40% WI state average), while 75-79% of students have achieved reading proficiency (compared to the 38% WI state average).

How many students attend Tonawanda Elementary School?

520 students attend Tonawanda Elementary School.

What is the racial composition of the student body?

82% of Tonawanda Elementary School students are White, 6% of students are Hispanic, 6% of students are Two or more races, 4% of students are Asian, and 2% of students are Black.

What is the student-teacher ratio of Tonawanda Elementary School?

Tonawanda Elementary School has a student ration of 15:1, which is higher than the Wisconsin state average of 13:1.

What grades does Tonawanda Elementary School offer ?

Tonawanda Elementary School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).

What school district is Tonawanda Elementary School part of?

Tonawanda Elementary School is part of Elmbrook School District.