- Enrollment
- 2,803
- Students per teacher
- 18:1
- Resource Index
- 33/100
Elementary school (grades K-5) · Castle Rock, CO
South Ridge Elementary an Ib World School
Federal NCES profile for South Ridge Elementary an Ib World School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 080345000447
👥 S:T ratio 45
🌟 Gifted program 70
🎓 Counselors 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Ridge Elementary an Ib World School earns 48/100 on the Resource Investment Index, with class sizes smaller than 71% of Colorado schools.
- #1 of 3
- elementary schools in Castle Rock · Resource Index
- 48
- Resource Index · Typical
- 13.7:1
- small classes for Colorado
- 26.0%
- free-lunch eligible
South Ridge Elementary an Ib World School has class sizes smaller than 71% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, South Ridge Elementary an Ib World School ranks #1 of 3 elementary schools in Castle Rock, CO.
School address
District: Douglas County School District No. Re 1 · Colorado
NCES ID 080345000447 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
South Ridge Elementary an Ib World School held near 393 students from 2022-23 to 2023-24 (-18 headcount).
Teacher FTE added 27.8 → 29.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-18 students YoY 080345000447 · Castle Rock, CO Elementary · SMALL · TRAD
371 enr · 13.7:1 · 26.0% lunch · RII 48
Nearest enrollment peer: American Academy (2,803 students)
South Ridge Elementary an Ib World School held near 393 students from 2022-23 to 2023-24 (-18 headcount). Teacher FTE added 27.8 → 29.1 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
South Ridge Elementary an Ib World School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- American Acade
American Academy
2,803 students
- Rock Canyon Hi
Rock Canyon High School
2,325 students
- Legend High Sc
Legend High School
2,206 students
- Mountain Vista
Mountain Vista High School
2,169 students
- Chaparral High
Chaparral High School
2,007 students
- This school 371
South Ridge Elementary an Ib World School
371 students
What this shows South Ridge Elementary an Ib World School reports 371 students on the CCD universe file.
How South Ridge Elementary an Ib World School compares
South Ridge Elementary an Ib World School held steady on CCD headcount: ratios and free-lunch share vs Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.7:1 | ▼ 17% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 26.0% | ▼ 32% | 38.5% | 51.7% |
| Enrollment | 371 | top 48% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.7:1
Leaner classes than 60% of US schools, a middle-of-the-pack class size.
371
Bigger than 43% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
26.0%
free-lunch eligible
- 32% below the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.7:1
students per teacher
- 17% below state mean
Top 29% in Colorado - lower ratio than 71% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$12,942
per pupil, district-wide
- below Colorado avg of $17,910
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 360 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 7 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 2.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 56.6%
Hispanic or Latino 36.1%
African American 2.7%
Two or More 2.7%
Asian 1.3%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 56.6% of enrollment.
Student-body diversity index 54.8/100
Simpson diversity index - at 54.8, South Ridge Elementary an Ib World School is more mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
District finance for Douglas County School District No. Re 1 reports $12,942 per pupil (NCES F-33) - open the district page for the full revenue mix.
How South Ridge Elementary an Ib World School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| American Academy | Larger | Lower economic need | Higher S:T ratio |
| Rock Canyon High School | Larger | No free-lunch data | Higher S:T ratio |
| Legend High School | Larger | No free-lunch data | Higher S:T ratio |
| Mountain Vista High School | Larger | No free-lunch data | Higher S:T ratio |
| Chaparral High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to South Ridge Elementary an Ib World School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,325
- Students per teacher
- 21.1:1
- Resource Index
- 47/100
- Enrollment
- 2,206
- Students per teacher
- 20.6:1
- Resource Index
- 29/100
- Enrollment
- 2,169
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
- Enrollment
- 2,007
- Students per teacher
- 19.5:1
- Resource Index
- 50/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~371 students)
Frequently asked questions about South Ridge Elementary an Ib World School
How many students attend South Ridge Elementary an Ib World School?
South Ridge Elementary an Ib World School has 371 students enrolled. It is an elementary school in Castle Rock, CO. CCD year-over-year: 411 (2022-23) → 393 (2023-24), nearly flat (-18).
What is the student-teacher ratio at South Ridge Elementary an Ib World School?
The student-teacher ratio at South Ridge Elementary an Ib World School is 13.7:1, which is 17% lower than the Colorado average of 16.6:1 and 13% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at South Ridge Elementary an Ib World School?
26.0% of students at South Ridge Elementary an Ib World School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of South Ridge Elementary an Ib World School?
The largest demographic group at South Ridge Elementary an Ib World School is White at 56.6% of enrollment, in Castle Rock, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.8/100.
What is the Resource Investment Index for South Ridge Elementary an Ib World School?
South Ridge Elementary an Ib World School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does South Ridge Elementary an Ib World School rank among elementary schools in Castle Rock?
By Resource Investment Index, South Ridge Elementary an Ib World School ranks #1 of 3 elementary schools in Castle Rock, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Castle Rock on the city page.
What other schools are in Douglas County School District No. Re 1?
Besides South Ridge Elementary an Ib World School, Douglas County School District No. Re 1 also operates American Academy (2,803 students), Rock Canyon High School (2,325 students), and Legend High School (2,206 students). See the Douglas County School District No. Re 1 district page for the complete list.