Grafton High

Summary:

Grafton High is a public high school located in Grafton, Wisconsin, serving grades 9-12 with a total enrollment of 715 students. This exceptional school is part of the Grafton School District, which is ranked 21 out of 428 school districts in Wisconsin and is rated 5 stars out of 5 by SchoolDigger.

Grafton High consistently ranks among the top high schools in Wisconsin, ranking as high as 18th out of 431 schools in the 2023-2024 school year. The school's students perform exceptionally well on standardized tests, with 70.93% of 10th graders proficient or better in Social Studies, 67.03% in English Language Arts, 65.38% in Mathematics, and 66.48% in Science in the 2023-2024 school year. These scores are significantly higher than the state averages. Grafton High also boasts an impressive 4-year graduation rate of up to 98.8% and a remarkably low dropout rate ranging from 0.0% to 0.4% over the past several years.

Grafton High's strong performance extends across various student subgroups, including female students, male students, white students, and students from low socioeconomic backgrounds. The school's rankings for these subgroups are consistently among the top in the state, with several subgroups ranking in the top 20 or even top 10 high schools in Wisconsin. This level of equity in educational outcomes is a testament to the school's commitment to providing a high-quality education for all students. Compared to nearby schools like Cedarburg High, Nicolet High, and Germantown High, Grafton High consistently outperforms them in academic performance, graduation rates, and student subgroup performance.


Detail:

Public 9-12

 1950 Washington St
       Grafton, WI  53024-2103


(262) 376-5500

District: Grafton School District

SchoolDigger Rank:
18th of 431 Wisconsin High Schools

Per Pupil Expenditures:  $13,571 Help


Feeder schools for Grafton High:

Elementary:    Kennedy Elementary
    Woodview Elementary
Middle:    John Long Middle

Student/teacher ratio:  16.0 Help
Number of students:  720

Racial breakdown:

White:
82.8%
Hispanic:
5.7%
Asian:
5.0%
more

Free/discounted lunch recipients:  18.2% Help


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Performance Trends
Help
Compare Details Grafton High ranks better than 95.8% of high schools in Wisconsin. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 92.59. (See more...)
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The four-year cohort graduation rate measures the percentage of students at Grafton High who earn a standard high school diploma within four years of starting ninth grade.
Help
The high school dropout rate measures the percentage of students who do not complete their high school education.
Help
Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
Help
Compare Details Racial makeup is: White (82.8%), Hispanic (5.7%), Asian (5%). (See more...)
Help
Compare Details 18.2% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Grafton High is 16. (See more...)
Help
Compare Grafton High employs 44.9 full-time teachers.
Finance
Help
Compare Details The average total spent per student at Grafton High is $13,571.
Schooldigger 2024 Rankings:

Grafton High:

SchoolDigger ranks Grafton High 18th of 431 Wisconsin public high schools. (See Grafton High in the ranking list.)

High School Test Score Ratings by Student Subgroup:


Low Socio Economic Status students:
Female students:
Male students:
Hispanic students:
White students:


Grafton School District:

SchoolDigger ranks Grafton School District 21st of 428 Wisconsin school districts. (See district ranking list.)


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Rank History for Grafton High

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Rank History for all students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2004 82.20 18th 275 93.5%
2005 79.66 30th 287 89.5%
2006 82.77 16th 292 94.5%
2007 75.15 54th 281 80.8%
2008 74.16 73rd 437 83.3%
2009 63.13 169th 438 61.4%
2010 67.18 155th 450 65.6%
2011 77.00 54th 445 87.9%
2012 78.58 43rd 452 90.5%
2013 75.12 70th 457 84.7%
2014 82.01 32nd 462 93.1%
2015 73.12 86th 466 81.5%
2016 89.61 26th 408 93.6%
2017 86.22 35th 410 91.5%
2018 90.73 21st 410 94.9%
2019 89.73 24th 400 94.0%
2021 87.45 34th 390 91.3%
2022 82.79 41st 391 89.5%
2023 87.24 34th 415 91.8%
2024 92.59 18th 431 95.8%
See the entire list of Wisconsin High School Rankings!

Rank History for Low Socio Economic Status students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2018 75.42 35th 255 86.3%
2019 72.35 45th 251 82.1%
2021 71.26 42nd 226 81.4%
2022 78.89 26th 250 89.6%
2023 67.66 55th 271 79.7%
2024 91.38 9th 326 97.2%
See the entire list of Best Wisconsin High Schools for Low Socio Economic Status Students!

Rank History for Female students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2018 90.00 20th 355 94.4%
2019 88.08 26th 343 92.4%
2021 79.43 50th 332 84.9%
2022 68.46 93rd 343 72.9%
2024 88.21 18th 353 94.9%
See the entire list of Best Wisconsin High Schools for Female Students!

Rank History for Disabled students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2018 36.90 24th 40 40.0%
2022 78.45 5th 29 82.8%
See the entire list of Best Wisconsin High Schools for Disabled Students!

Rank History for Male students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2018 87.29 31st 373 91.7%
2019 86.65 31st 354 91.2%
2021 87.02 28th 334 91.6%
2022 86.21 29th 347 91.6%
2023 88.46 27th 359 92.5%
2024 91.69 18th 365 95.1%
See the entire list of Best Wisconsin High Schools for Male Students!

Rank History for Asian students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2018 38.38 31st 51 39.2%
See the entire list of Best Wisconsin High Schools for Asian Students!

Rank History for Hispanic students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2019 94.04 4th 86 95.3%
2021 44.66 36th 68 47.1%
2022 86.40 8th 86 90.7%
2023 81.71 13th 97 86.6%
2024 42.41 66th 119 44.5%
See the entire list of Best Wisconsin High Schools for Hispanic Students!

Rank History for White students at Grafton High

Year Avg Standard Score Statewide Rank Total # Ranked High Schools WI State Percentile SchoolDigger Rating
2018 88.83 28th 261 89.3%
2019 83.84 35th 266 86.8%
2021 85.50 28th 266 89.5%
2022 75.21 43rd 269 84.0%
2023 80.42 41st 271 84.9%
2024 93.08 12th 300 96.0%
See the entire list of Best Wisconsin High Schools for White Students!

Data source: test scores: Wisconsin Department of Public Instruction, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Grafton High Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 



Data source: Wisconsin Department of Public Instruction

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Enrollment information for Grafton High

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1988 829 1 5 3 n/a n/a n/a 0 838
1989 735 n/a 4 1 n/a n/a n/a 0 740
1990 694 2 4 3 0 n/a n/a 0 703
1991 706 0 1 2 0 n/a n/a 0 709
1992 715 0 2 5 0 n/a n/a 0 722
1993 724 0 2 5 3 n/a n/a 0 734
1994 721 1 3 3 3 n/a n/a 0 731
1995 703 1 6 6 4 n/a n/a 0 720
1996 703 1 6 6 4 n/a n/a 0 720
1997 732 0 5 5 4 n/a n/a 0 746
1998 754 1 4 6 3 n/a n/a 0 768
1999 754 2 2 8 1 n/a n/a 0 767
2000 778 2 4 11 0 n/a n/a 0 795
2001 737 5 4 8 1 n/a n/a 0 755
2002 768 8 5 6 1 n/a n/a 0 788
2003 768 8 5 6 1 n/a n/a 0 788
2004 744 2 8 7 1 n/a n/a 0 762
2005 744 6 8 9 2 n/a n/a 0 769
2006 739 11 6 12 0 n/a n/a 0 768
2007 752 14 7 15 2 n/a n/a 0 790
2008 828 22 8 15 2 n/a n/a 0 875
2009 791 22 8 16 1 n/a n/a 0 838
2010 815 22 10 19 2 n/a n/a 0 868
2011 752 13 11 24 0 1 18 0 819
2012 696 15 16 27 1 1 17 0 773
2013 700 9 15 30 1 0 24 0 779
2014 666 12 13 29 1 0 24 0 745
2015 673 10 14 27 2 0 22 0 748
2016 685 13 16 29 1 0 19 0 763
2017 671 9 21 32 2 1 13 0 749
2018 651 5 32 37 2 0 14 0 741
2019 625 10 31 43 3 0 16 0 728
2020 605 10 24 48 2 0 20 0 709
2021 583 9 26 44 4 1 20 0 687
2022 592 15 25 40 3 1 18 0 694
2023 594 22 30 43 4 1 19 2 715
2024 596 20 36 41 3 1 21 2 720

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Grafton High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 838 55.2 15.1 1.7
1989 740 52.1 14.2 0.8
1990 703 50.0 14.0 1.1
1991 709 51.9 13.6 0.7
1992 722 52.9 13.6 1.5
1993 734 55.2 13.3 1.5
1994 731 48.9 14.9 2.3
1995 720 49.5 14.5 1.4
1996 720 49.5 14.5 1.4
1997 746 49.8 15.0 1.7
1998 768 50.7 15.1 2.2
1999 767 50.7 15.1 2.7
2000 795 51.3 15.5 3.4
2001 755 50.7 14.9 3.4
2002 788 51.8 15.2 1.3
2003 788 51.8 15.2 1.3
2004 762 50.6 15.1 3.8
2005 769 48.9 15.7 n/a
2006 768 48.1 16.0 n/a
2007 790 49.1 16.1 7.1
2008 875 53.0 16.5 8.7
2009 838 53.9 15.5 9.7
2010 868 54.0 16.0 10.7
2011 819 53.3 15.3 13.3
2012 773 51.1 15.1 14.6
2013 779 50.3 15.4 13.9
2014 745 48.8 15.2 15.2
2015 748 n/a n/a 16.7
2016 763 48.0 15.8 14.7
2017 749 50.4 14.8 11.1
2018 741 50.6 14.6 9.6
2019 728 50.6 14.3 13.7
2020 709 48.1 14.7 13.4
2021 687 44.4 15.4 15.9
2022 694 44.1 15.7 17.6
2023 715 45.5 15.6 17.8
2024 720 44.9 16.0 18.2

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Grafton High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 838 55.2 15.1 1.7
1989 740 52.1 14.2 0.8
1990 703 50.0 14.0 1.1
1991 709 51.9 13.6 0.7
1992 722 52.9 13.6 1.5
1993 734 55.2 13.3 1.5
1994 731 48.9 14.9 2.3
1995 720 49.5 14.5 1.4
1996 720 49.5 14.5 1.4
1997 746 49.8 15.0 1.7
1998 768 50.7 15.1 2.2
1999 767 50.7 15.1 2.7
2000 795 51.3 15.5 3.4
2001 755 50.7 14.9 3.4
2002 788 51.8 15.2 1.3
2003 788 51.8 15.2 1.3
2004 762 50.6 15.1 3.8
2005 769 48.9 15.7 n/a
2006 768 48.1 16.0 n/a
2007 790 49.1 16.1 7.1
2008 875 53.0 16.5 8.7
2009 838 53.9 15.5 9.7
2010 868 54.0 16.0 10.7
2011 819 53.3 15.3 13.3
2012 773 51.1 15.1 14.6
2013 779 50.3 15.4 13.9
2014 745 48.8 15.2 15.2
2015 748 n/a n/a 16.7
2016 763 48.0 15.8 14.7
2017 749 50.4 14.8 11.1
2018 741 50.6 14.6 9.6
2019 728 50.6 14.3 13.7
2020 709 48.1 14.7 13.4
2021 687 44.4 15.4 15.9
2022 694 44.1 15.7 17.6
2023 715 45.5 15.6 17.8
2024 720 44.9 16.0 18.2

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Finances

Per Pupil Expenditures for Grafton High

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YearExpenditures from Federal FundsExpenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $226 (1.7%) $13,005 (98.3%) $13,232
2020 $418 (3.2%) $12,717 (96.8%) $13,134
2021 $457 (3.4%) $13,114 (96.6%) $13,571

Data source: Wisconsin Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Grafton High

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 24th of 400 High schoolsRanks 34th of 415 High schools
 2.2%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
10th Grade Social Studies (Grafton High)54.865.8
 11%
   10th Grade Social Studies (Grafton School District)54.865.8
 11%
   10th Grade Social Studies (Wisconsin)45.947.2
 1.3%
10th Grade English Language Arts (Grafton High)63.352.9
 10.4%
   10th Grade English Language Arts (Grafton School District)63.352.9
 10.4%
   10th Grade English Language Arts (Wisconsin)38.841.4
 2.6%
10th Grade Mathematics (Grafton High)53.651
 2.6%
   10th Grade Mathematics (Grafton School District)53.651
 2.6%
   10th Grade Mathematics (Wisconsin)30.829.4
 1.3%
10th Grade Science (Grafton High)53.651
 2.6%
   10th Grade Science (Grafton School District)53.651
 2.6%
   10th Grade Science (Wisconsin)32.731.7
 1%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students728715
 1.8%
African American1022
 120%
American Indian34
 33.3%
Asian3130
 3.2%
Hispanic4343
Pacific Islander01
White625594
 5%
Two or More Races1619
 18.8%
% Free/Discounted Lunch Recipients13.7%17.8%
 4%


Schools Near Grafton High









Frequently Asked Questions about Grafton High

Students at Grafton High are 83% White, 6% Hispanic, 5% Asian, 3% Two or more races, 3% African American.

Grafton High is fed by the following schools:

Elementary : Kennedy Elementary
Elementary : Woodview Elementary
Middle : John Long Middle

Yes! Grafton High is one of the best high schools in the state. It ranks 18th of 431 Wisconsin high schools.

In the 2023-24 school year, 720 students attended Grafton High.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Wisconsin Department of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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