Serving 512 students in grades 9-12, Grinnell Community Senior High School ranks in the top 50% of all schools in Iowa for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 76% (which is higher than the Iowa state average of 68%). The percentage of students achieving proficiency in reading/language arts is 76% (which is higher than the Iowa state average of 70%).
The student-teacher ratio of 17:1 is higher than the Iowa state level of 14:1.
Minority enrollment is 12% of the student body (majority Hispanic), which is lower than the Iowa state average of 30% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 512 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 12%
- Graduation Rate: 85-89% (Btm 50% in IA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 76% (Top 50%)
- Reading Proficiency: 76% (Top 50%)
- Science Proficiency: 70-74% (Top 30%)
- Source: National Center for Education Statistics (NCES), IA Dept. of Education
School Overview
Grinnell Community Senior High School's student population of 512 students has stayed relatively flat over five school years.
The teacher population of 30 teachers has declined by 18% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
512 students
Total Classroom Teachers
30 teachers
School Calendar
School Rankings
Grinnell Community Senior High School ranks within the top 50% of all 1,223 schools in Iowa (based off of combined math and reading proficiency testing data).
The diversity score of Grinnell Community Senior High School is 0.22, which is less than the diversity score at state average of 0.48. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#490 out of 1223 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
76%
68%
Reading/Language Arts Test Scores (% Proficient)
76%
70%
Science Test Scores (% Proficient)
70-74%
63%
Student-Teacher Ratio
17:1
14:1
American Indian
n/a
n/a
Asian
1%
3%
Hispanic
6%
14%
Black
3%
7%
White
88%
70%
Hawaiian
n/a
1%
Two or more races
2%
5%
All Ethnic Groups
Graduation Rate
85-89%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
25%
35%
Eligible for Reduced Lunch
6%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IA Dept. of Education
Frequently Asked Questions
What is Grinnell Community Senior High School's ranking?
Grinnell Community Senior High School is ranked #490 out of 1,223 schools, which ranks it among the top 50% of public schools in Iowa.
What schools are Grinnell Community Senior High School often compared to?
Grinnell Community Senior High Schoolis often viewed alongside schools like Pella High School, Brooklyn-guernsey-malcom Jr-sr High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
76% of students have achieved math proficiency (compared to the 68% IA state average), while 76% of students have achieved reading proficiency (compared to the 70% IA state average).
What is the graduation rate of Grinnell Community Senior High School?
The graduation rate of Grinnell Community Senior High School is 85-89%, which is lower than the Iowa state average of 90%.
How many students attend Grinnell Community Senior High School?
512 students attend Grinnell Community Senior High School.
What is the racial composition of the student body?
88% of Grinnell Community Senior High School students are White, 6% of students are Hispanic, 3% of students are Black, 2% of students are Two or more races, and 1% of students are Asian.
What is the student-teacher ratio of Grinnell Community Senior High School?
Grinnell Community Senior High School has a student ration of 17:1, which is higher than the Iowa state average of 14:1.
What grades does Grinnell Community Senior High School offer ?
Grinnell Community Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Grinnell Community Senior High School part of?
Grinnell Community Senior High School is part of Grinnell-Newburg Comm School District.
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