Riverside School

215 Alder Avenue
New Castle, CO 81647
(School attendance zone shown in map)
4/
10
Bottom 50%
Serving 483 students in grades 6-8, Riverside School ranks in the bottom 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 18% (which is lower than the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 39% (which is lower than the Colorado state average of 45%).
The student-teacher ratio of 15:1 is equal to the Colorado state level of 15:1.
Minority enrollment is 53% of the student body (majority Hispanic), which is higher than the Colorado state average of 51% (majority Hispanic).

Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 483 students
  • Student-Teacher Ratio: 15:1
  • Minority Enrollment: 53%
  • : Bottom 50% in CO
  • : 18% (Btm 50%)
  • : 39% (Btm 50%)
  • : 25-29% (Top 50%)
  • : Riverside School serves the eastern part of the New Castle, CO school district, covering an area of approximately 413.7 square miles. Families typically drive 20-30 minutes to reach the school, with the furthest edge of the attendance zone located about 19.6 miles away.
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

School Overview

Riverside School's student population of 483 students has stayed relatively flat over five school years.
The teacher population of 33 teachers has grown by 13% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
Total Students
483 students
Total Classroom Teachers
33 teachers

School Rankings

Riverside School ranks within the bottom 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Riverside School is 0.53, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CO)
#1110 out of 1748 schools
(Bottom 50%)
18%
33%
39%
45%
(20-21)
25-29%
29%
Student-Teacher Ratio
15:1
15:1
American Indian
1%
1%
Asian
n/a
3%
Hispanic
50%
37%
Black
n/a
5%
White
47%
49%
Hawaiian
n/a
n/a
Two or more races
2%
5%
All Ethnic Groups
0.53
(22-23)
43.5%
33.6%
Eligible for Free Lunch
31%
39%
Eligible for Reduced Lunch
10%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education

Frequently Asked Questions

What is Riverside School's ranking?
Riverside School is ranked #1110 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.
What percent of students have achieved state testing proficiency in math and reading?
18% of students have achieved math proficiency (compared to the 33% CO state average), while 39% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Riverside School?
483 students attend Riverside School.
What is the racial composition of the student body?
50% of Riverside School students are Hispanic, 47% of students are White, 2% of students are Two or more races, and 1% of students are American Indian.
What is the student-teacher ratio of Riverside School?
Riverside School has a student ration of 15:1, which is equal to the Colorado state average of 15:1.
What grades does Riverside School offer ?
Riverside School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Riverside School part of?
Riverside School is part of Garfield School District No. Re-2.

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Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 483 students
  • Student-Teacher Ratio: 15:1
  • Minority Enrollment: 53%
  • : Bottom 50%
  • : 18% (Btm 50%)
  • : 39% (Btm 50%)
  • : 25-29% (Top 50%)
  • : Riverside School serves the eastern part of the New Castle, CO school district, covering an area of approximately 413.7 square miles. Families typically drive 20-30 minutes to reach the school, with the furthest edge of the attendance zone located about 19.6 miles away.
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

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