Serving 53 students in grades Kindergarten-8, Grass Ranch Colony Elementary - 13 ranks in the top 30% of all schools in South Dakota for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 60-79% (which is higher than the South Dakota state average of 42%). The percentage of students achieving proficiency in reading/language arts is 40-59% (which is approximately equal to the South Dakota state average of 51%).
The student-teacher ratio of 18:1 is higher than the South Dakota state level of 12:1.
Quick Facts (2026)
- Grades: Kindergarten-8
- Enrollment: 53 students
- Student-Teacher Ratio: 18:1
- Overall Testing Rank: Top 30% in SD
- Math Proficiency: 60-79% (Top 5%)
- Reading Proficiency: 40-59% (Btm 50%)
- Science Proficiency: ≥50% (Top 20%)
- Source: National Center for Education Statistics (NCES), SD Dept. of Education
Top Rankings
Grass Ranch Colony Elementary - 13 ranks among the top 20% of public schools in South Dakota for:
Category
Attribute
Math Proficiency
Science Proficiency
Percent Eligible For Free Lunch
School Overview
Grass Ranch Colony Elementary - 13's student population of 53 students has grown by 17% over five school years.
The teacher population of 3 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
53 students
Total Classroom Teachers
3 teachers
School Rankings
Grass Ranch Colony Elementary - 13 ranks within the top 30% of all 619 schools in South Dakota (based off of combined math and reading proficiency testing data).
The diversity score of Grass Ranch Colony Elementary - 13 is 0.00, 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.
Overall Testing Rank
#173 out of 619 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
60-79%
42%
Reading/Language Arts Test Scores (% Proficient)
40-59%
51%
Science Test Scores (% Proficient)
≥50%
42%
Student-Teacher Ratio
18:1
12:1
White
100%
66%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
64%
34%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), SD Dept. of Education
Frequently Asked Questions
What is Grass Ranch Colony Elementary - 13's ranking?
Grass Ranch Colony Elementary - 13 is ranked #173 out of 619 schools, which ranks it among the top 30% of public schools in South Dakota.
What percent of students have achieved state testing proficiency in math and reading?
60-79% of students have achieved math proficiency (compared to the 42% SD state average), while 40-59% of students have achieved reading proficiency (compared to the 51% SD state average).
How many students attend Grass Ranch Colony Elementary - 13?
53 students attend Grass Ranch Colony Elementary - 13.
What is the racial composition of the student body?
100% of Grass Ranch Colony Elementary - 13 students are White.
What is the student-teacher ratio of Grass Ranch Colony Elementary - 13?
Grass Ranch Colony Elementary - 13 has a student ration of 18:1, which is higher than the South Dakota state average of 12:1.
What grades does Grass Ranch Colony Elementary - 13 offer ?
Grass Ranch Colony Elementary - 13 offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Grass Ranch Colony Elementary - 13 part of?
Grass Ranch Colony Elementary - 13 is part of Kimball School District 07-2.
School Reviews
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