Signature School is a charter high school located in downtown Evansville, Indiana, United States, on the Main Street walkway. The school opened in 2002 as Indiana's first public charter high school. It has been consistently ranked, by a number of publications, as one of the top high schools in the United States.
Serving 384 students in grades 9-12, Signature School Inc ranks in the top 1% of all schools in Indiana for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).
The percentage of students achieving proficiency in math is 90-94% (which is higher than the Indiana state average of 39%). The percentage of students achieving proficiency in reading/language arts is ≥95% (which is higher than the Indiana state average of 41%).
The student-teacher ratio of 14:1 is lower than the Indiana state level of 15:1.
Minority enrollment is 40% of the student body (majority Asian), which is higher than the Indiana state average of 38% (majority Hispanic and Black).
Quick Facts (2026)
- School Type: Charter School
- Grades: 9-12
- Enrollment: 384 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 40%
- Graduation Rate: ≥95% (Top 10% in IN)
- Overall Testing Rank: Top 1%
- Math Proficiency: 90-94% (Top 1%)
- Reading Proficiency: ≥95% (Top 1%)
- Science Proficiency: 90-94% (Top 1%)
- Source: National Center for Education Statistics (NCES), IN Dept. of Education
Top Rankings
Signature School Inc ranks among the top 20% of public schools in Indiana for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Student Attention
School Overview
Signature School Inc's student population of 384 students has stayed relatively flat over five school years.
The teacher population of 27 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
384 students
Total Classroom Teachers
27 teachers
Year Founded
2002
School Calendar
Average Class Size
84 students
School Rankings
Signature School Inc ranks within the top 1% of all 1,743 schools in Indiana (based off of combined math and reading proficiency testing data).
The diversity score of Signature School Inc is 0.60, which is more than the diversity score at state average of 0.57. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1 out of 1743 schools
(Top 1%)
(Top 1%)
Math Test Scores (% Proficient)
90-94%
39%
Reading/Language Arts Test Scores (% Proficient)
≥95%
41%
Science Test Scores (% Proficient)
90-94%
34%
Student-Teacher Ratio
14:1
15:1
American Indian
n/a
n/a
Asian
19%
3%
Hispanic
7%
15%
Black
7%
14%
White
60%
62%
Hawaiian
1%
n/a
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
≥95%
88%
Eligible for Free Lunch
7%
42%
Eligible for Reduced Lunch
3%
6%
School Statewide Testing
School District Name
Signature School Inc School District
Source: National Center for Education Statistics (NCES), IN Dept. of Education
Frequently Asked Questions
What is Signature School Inc's ranking?
Signature School Inc is ranked #1 out of 1,743 schools, which ranks it among the top 1% of public schools in Indiana.
What schools are Signature School Inc often compared to?
Signature School Incis often viewed alongside schools like North High School, William Henry Harrison High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
90-94% of students have achieved math proficiency (compared to the 39% IN state average), while ≥95% of students have achieved reading proficiency (compared to the 41% IN state average).
What is the graduation rate of Signature School Inc?
The graduation rate of Signature School Inc is 95%, which is higher than the Indiana state average of 88%.
How many students attend Signature School Inc?
384 students attend Signature School Inc.
What is the racial composition of the student body?
60% of Signature School Inc students are White, 19% of students are Asian, 7% of students are Hispanic, 7% of students are Black, 6% of students are Two or more races, and 1% of students are Hawaiian.
What is the student-teacher ratio of Signature School Inc?
Signature School Inc has a student ration of 14:1, which is lower than the Indiana state average of 15:1.
What grades does Signature School Inc offer ?
Signature School Inc offers enrollment in grades 9-12 (No virtual instruction).
What school district is Signature School Inc part of?
Signature School Inc is part of Signature School Inc School District.
In what neighborhood is Signature School Inc located?
Signature School Inc is located in the Downtown neighborhood of Evansville, IN.
School Reviews
Review Signature School Inc. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
