Grass Ranch Colony High School - 15 serves 11 students in grades 9-12.
The percentage of students achieving proficiency in math is ≥50% (which is lower than the South Dakota state average of 75%) for the 2011-12 school year. The percentage of students achieving proficiency in reading/language arts is ≥50% (which is lower than the South Dakota state average of 75%) for the 2011-12 school year.
The student:teacher ratio of 11:1 is lower than the South Dakota state level of 12:1.

Top Rankings

Grass Ranch Colony High School - 15 ranks among the top 20% of public schools in South Dakota for:

School Overview

Grass Ranch Colony High School - 15's student population of 11 students has declined by 15% over five school years.
The teacher population of 1 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
11 students
This chart display total students of Grass Ranch Colony High School - 15 by year, with the latest 2017-18 school year data.
Gender %
This chart display gender of Grass Ranch Colony High School - 15
Total Classroom Teachers
1 teacher
This chart display the total teachers of Grass Ranch Colony High School - 15 by year, with the latest 2017-18 school year data.
Students by Grade
This chart display the students of Grass Ranch Colony High School - 15 by grade.

School Rankings

The diversity score of Grass Ranch Colony High School - 15 is 0.00, 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.
Definition of Terms 2017-2018 School Year Data
This School
State Level (SD)
Math Test Scores (% Proficient)
(11-12)
≥50%
75%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Grass Ranch Colony High School - 15 and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in South Dakota by year, with the latest 2011-12 school year data.
Reading/Language Arts Test Scores (% Proficient)
(11-12)
≥50%
75%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Grass Ranch Colony High School - 15 and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of South Dakota by year, with the latest 2011-12 school year data.
Student : Teacher Ratio
11:1
12:1
This chart display the student teacher ratio of Grass Ranch Colony High School - 15 and the public school average student teacher ratio of South Dakota by year, with the latest 2017-18 school year data.
American Indian
n/a
16%
Asian
n/a
2%
Hispanic
n/a
5%
Black
n/a
3%
White
100%
70%
This chart display the percentage of White students in Grass Ranch Colony High School - 15 and the percentage of White public school students in South Dakota by year, with the latest 2017-18 school year data.
Hawaiian
n/a
n/a
Two or more races
n/a
4%
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Grass Ranch Colony High School - 15.
This chart display the percentage breakdown of public school students of all ethnic groups in SD.
Diversity Score
0.00
Eligible for Free Lunch
73%
35%
This chart display the percentage of students who is eligible for free lunch in Grass Ranch Colony High School - 15 and the percentage of public school students who is eligible for free lunch in South Dakota by year, with the latest 2017-18 school year data.
Source: 2017-2018 (latest school year available) NCES, SD Dept. of Education

School Reviews

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Quick Stats (2021-22)

  • Grades: 9-12
  • Students: 11 students
  • Student:Teacher Ratio: 11:1
  • Math Proficiency
    : ≥50%
  • Reading Proficiency
    : ≥50%
  • Diversity Score
    : 0.00 (Btm 50% in SD)

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