East Range Academy of Technology and Science is a public charter high school located in Mt. Iron, Minnesota, United States, serving grades 9th to 12th. ERATS is Minnesota Public Charter School #4166 and is authorized by Osprey Wilds formerly known as Audubon Center of the North Woods.
Serving 127 students in grades 9-12, East Range Academy Of Tech-science ranks in the bottom 50% of all schools in Minnesota for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤20% (which is lower than the Minnesota state average of 46%). The percentage of students achieving proficiency in reading/language arts is 21-39% (which is lower than the Minnesota state average of 51%).
The student-teacher ratio of 13:1 is equal to the Minnesota state level of 13:1.
Minority enrollment is 23% of the student body (majority American Indian), which is lower than the Minnesota state average of 40% (majority Black).
Quick Facts (2026)
- School Type: Charter School
- Grades: 9-12
- Enrollment: 127 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 23%
- Graduation Rate: 60-64% (Btm 50% in MN)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤20% (Btm 50%)
- Reading Proficiency: 21-39% (Btm 50%)
- Science Proficiency: <50% (Top 30%)
- Source: National Center for Education Statistics (NCES), MN Dept. of Education
Top Rankings
East Range Academy Of Tech-science ranks among the top 20% of public schools in Minnesota for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
East Range Academy Of Tech-science's student population of 127 students has declined by 22% over five school years.
The teacher population of 10 teachers has declined by 16% over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
127 students
Total Classroom Teachers
10 teachers
Year Founded
2007
Colors
Blue and Gold
School Calendar
School Motto
To empower students to develop academic and life skills by providing personalized learning that will prepare them to transition into an ever-changing world.
School Rankings
East Range Academy Of Tech-science ranks within the bottom 50% of all 1,773 schools in Minnesota (based off of combined math and reading proficiency testing data).
The diversity score of East Range Academy Of Tech-science is 0.39, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1507 out of 1773 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤20%
46%
Reading/Language Arts Test Scores (% Proficient)
21-39%
51%
Science Test Scores (% Proficient)
<50%
41%
Student-Teacher Ratio
13:1
13:1
American Indian
8%
2%
Hispanic
4%
12%
Black
2%
12%
White
77%
60%
Two or more races
9%
7%
All Ethnic Groups
Graduation Rate
60-64%
84%
Chronically Absent Students
(22-23)100%
27.3%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
89%
34%
Eligible for Reduced Lunch
1%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MN Dept. of Education
Frequently Asked Questions
What is East Range Academy Of Tech-science's ranking?
East Range Academy Of Tech-science is ranked #1507 out of 1,773 schools, which ranks it among the bottom 50% of public schools in Minnesota.
What percent of students have achieved state testing proficiency in math and reading?
≤20% of students have achieved math proficiency (compared to the 46% MN state average), while 21-39% of students have achieved reading proficiency (compared to the 51% MN state average).
What is the graduation rate of East Range Academy Of Tech-science?
The graduation rate of East Range Academy Of Tech-science is 60-64%, which is lower than the Minnesota state average of 84%.
How many students attend East Range Academy Of Tech-science?
127 students attend East Range Academy Of Tech-science.
What is the racial composition of the student body?
77% of East Range Academy Of Tech-science students are White, 9% of students are Two or more races, 8% of students are American Indian, 4% of students are Hispanic, and 2% of students are Black.
What is the student-teacher ratio of East Range Academy Of Tech-science?
East Range Academy Of Tech-science has a student ration of 13:1, which is equal to the Minnesota state average of 13:1.
What grades does East Range Academy Of Tech-science offer ?
East Range Academy Of Tech-science offers enrollment in grades 9-12 (No virtual instruction).
What school district is East Range Academy Of Tech-science part of?
East Range Academy Of Tech-science is part of East Range Academy Of TECH-Science School District.
School Reviews
Review East Range Academy Of Tech-science. 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.
