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Average

#1240 of 1,815 schools in CO

Riverside School

Middle School · Garfield School District No. Re-2

215 ALDER AVENUE, New Castle, CO 81647

Enrollment

440

Student-Teacher

13.3:1

Score

5.3

Grades

6th – 8th

Data vintage2022-23

How this school compares

Colorado schools

#1,240 of 1,815

In New Castle

#2 of 4

public schools

In district

#2 of 10

Garfield School District No. Re-2

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Riverside School

5.3/10

Middle School in New Castle · grades 6th – 8th. Start here, then compare fit against nearby and district options.

Kathryn Senor Elementary School

5.1/10

0.1 mi away. Use as a geographic alternative in the same move search.

Ambleside at Skylark

6.5/10

0.8 mi away. Use as a geographic alternative in the same move search.

About Riverside School

Riverside School is a public middle school in New Castle, CO, part of Garfield School District No. Re-2. Riverside School serves approximately 440 students, and covers grades 6th-8th, and has a 13.3:1 student-teacher ratio.

Riverside School has a current MySchoolScout rating of 5.3 out of 10 and ranks #1,240 of 1,815 schools in CO. Structured state assessment records for Riverside School show 34% math proficiency (multi-year average, 2009-2025) and 52% reading/ELA proficiency (multi-year average, 2009-2025).

How it compares0.4 pts above district
  • This school 5.3 · Average
  • District avg 4.9
  • CO avg 6.0

What Parents Should Know

48% of students at Riverside School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress5.2Average40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-3.82 pts/yr
Data Period2009–2025
TrendDeclining
Academics4.9Below Average35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency22.3% (2025 CMAS)
Reading/ELA Proficiency41.8% (2025 CMAS)
Math vs. State Avg-13.8 pts
Reading vs. State Avg-3.1 pts
Overall Proficiency32% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)48% (model expectation from 2025 CMAS)
vs. Expected-15.9 pts
Adjusted Percentile30th
Resources & Environment6.1Average25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.3:1
Per-Pupil Spending$13,874
Chronic Absenteeism47.7%

Riverside School — Students at Riverside School score 32% proficient, which is below what's typical for similar communities (expected: 48%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

28.4%

Students qualifying for federal meal assistance

Test Scores CO CMAS (2024-25)

Math Proficiency 34.0% (multi-year average, 2009-2025)
School
State
35.1% (2025 CMAS)
ELA Proficiency 51.5% (multi-year average, 2009-2025)
School
State
46.0% (2025 CMAS)

Based on 35 test records from CO state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
82%
ELA
88%
2010
Math
80%
ELA
89%
2011
Math
54%
ELA
69%
2012
Math
55%
ELA
76%
2013
Math
60%
ELA
78%
2014
Math
29%
ELA
40%
2015
Math
25%
ELA
35%
2016
Math
21%
ELA
32%
2017
Math
23%
ELA
31%
2018
Math
22%
ELA
43%
2019
Math
22%
ELA
43%
2020*
Math
17%
ELA
42%
2021*
Math
17%
ELA
42%
2022
Math
16%
2025
Math
22.3%
ELA
41.9%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 5.2/10.

How Riverside School Compares

See how Riverside School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.3/10
32th percentile in CO
Academic
4.9/10
Below Average
Growth
5.2/10
Average
Environment
6.1/10
Average
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
28%
Teaching Staff
13:1 student-teacher ratio
33 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
47.7%

Programs & Offerings

Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

215 ALDER AVENUE, New Castle, CO 81647

Nearby Alternatives

Families considering Riverside School may also want to explore other middle schools in the area. Glenwood Springs Middle School (rated 5.5/10, 9.2 miles away, in nearby Glenwood Springs), with a very similar rating. Additionally, Rifle Middle School (rated 4.6/10, 13.9 miles away, in nearby Rifle), with a comparable rating. For more schools in New Castle, see our New Castle schools guide .

Nearby Schools

20 within 20.1 mi
School Distance Rating
Kathryn Senor Elementary School New Castle 0.1 mi 5.1
AMBLESIDE AT SKYLARK New Castle 0.8 mi 6.5
Elk Creek Elementary New Castle 0.9 mi 4.0
LIBERTY CLASSICAL ACADEMY New Castle 1.6 mi 5.2
Coal Ridge High School New Castle 4.7 mi 5.9
Cactus Valley Elementary School Silt 7.3 mi 3.7
Two Rivers Community School Glenwood Springs 8.8 mi 7.1
Glenwood Springs Middle School Glenwood Springs 9.2 mi 5.5
Yampah Mountain School Glenwood Springs 10.7 mi 6.5
Glenwood Springs Elementary School Glenwood Springs 11.1 mi 5.1
Glenwood Springs High School Glenwood Springs 11.3 mi 7.5
ST STEPHEN CATHOLIC SCHOOL Glenwood Springs 11.5 mi 6.6
Sopris Elementary School Glenwood Springs 12.5 mi 6.6
Graham Mesa Elementary School Rifle 12.6 mi 3.8
Highland Elementary School Rifle 12.9 mi 4.8
Wamsley Elementary School Rifle 13.1 mi 4.5
Riverview School Glenwood Springs 14.1 mi 7.5
Rifle Middle School Rifle 13.9 mi 4.6
Rifle High School Rifle 14.1 mi 5.2
COLORADO ROCKY MOUNTAIN SCHOOL Carbondale 20.1 mi 7.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 81647 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$80,139

Median Home Value

$470,000

Median Rent

$1,581/mo

Population

7,037

College Educated

31.5%

Homeownership

76.2%

Avg Commute

36.1 min

Poverty Rate

9.1%

Median Age

38.7

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Aspen Middle School Aspen, CO 5.3
Mount Garfield Middle School Clifton, CO 5.3
Brentwood Middle School Greeley, CO 5.2
Columbine Middle School Montrose, CO 5.2
Delta Middle School Delta, CO 5.2
Longs Peak Middle School Longmont, CO 5.2

Frequently Asked Questions

Common questions about Riverside School

What grades does Riverside School serve?

Riverside School serves students in grades 6th through 8th.

How many students attend Riverside School?

Riverside School has an enrollment of approximately 440 students.

What is the student-teacher ratio at Riverside School?

The student-teacher ratio at Riverside School is 13.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Riverside School rank in CO?

Riverside School ranks #1,240 of 1,815 schools in CO.

What is Riverside School's MySchoolScout rating?

Riverside School has a current MySchoolScout rating of 5.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Riverside School?

Based on loaded state assessment records, Riverside School has 34% math proficiency (multi-year average, 2009-2025) and 52% reading/ELA proficiency (multi-year average, 2009-2025).

Is Riverside School a charter school?

No, Riverside School is not a charter school. It is a traditional public school operated by the local school district.

Is Riverside School a Title I school?

No, Riverside School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Riverside School?

28.4% of students at Riverside School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
6 Car-Dependent
Bike Score
24 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 8th
Enrollment
440
Student-Teacher Ratio
13.3:1
Teachers (FTE)
33
Free/Reduced Lunch
28.4%
Type
regular
Setting
Remote Town
County
Garfield County
Chronic Absenteeism (SY 2022-23)
47.7%

District

Garfield School District No. Re-2
District Enrollment
4,786
Schools in District
10
Per-Pupil Spending
$13,874
District Rank
#2 of 10

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