Castlewood High School - 01
Castlewood · SD · Castlewood School District 28-1 · Public
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Estelline High School - 01 → Watertown High School - 01 → Great Plains Lutheran High School → Hamlin High School - 01 → Deuel High School - 01 → Waverly-South Shore High School - 01 → Henry High School - 01 → Arlington High School - 01 →📋 At a glance
- ✅ Dual-enrollment program (college credit while in HS)
- 🎓 AP rigor: Bottom 25% of US high schools
- 📝 SAT/ACT participation: Bottom 23% by test-taker volume
- 🎓 4-yr grad rate: 90% (Bottom 49% of US high schools by 4-yr grad rate)
Composed from federal CRDC offerings, EDFacts ACGR, and other public data. Full breakdowns below.
How Castlewood High School - 01 compares for families
What families should know about Castlewood High School - 01.
- ▸ LocallySD students outperform the US average on NAEP 8th-grade math (+7 points).
- ▸ vs Similar SchoolsThe closest comparables nearby: Estelline High School - 01, Watertown High School - 01, Great Plains Lutheran High School and 5 more. See the sidebar to compare side-by-side.
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SAT / ACT participation
CRDC federal data · 2020-21Bottom 23% by test-taker volume
Source: federal Civil Rights Data Collection (CRDC 2020-21). Volume — not score — is what's reported here. A higher count means more students at this school are entering the college admissions pipeline. Note: 2020-21 was COVID-disrupted; some districts (especially those that stayed remote longer) report unusually low or zero takers.
🎓 4-year graduation rate · federal EDFacts
What % of students graduate on time?
Bottom 49% of US high schools by 4-yr grad rate
Source: federal EDFacts ACGR (Adjusted Cohort Graduation Rate), 2019 vintage via Urban Institute. EDFacts publishes a range (low-high) to preserve privacy on small cohorts; we display the midpoint.
👩🏫 Teacher workforce · federal CRDC
Teacher experience & reliability
Source: federal Civil Rights Data Collection (CRDC 2017-18 — the most recent vintage that publishes per-school teacher quality fields; the 2020-21 sweep had them suppressed). "Inexperienced" = teachers in their first or second year. "Chronic absence" = teachers absent 10+ days/year.
🏛️ Federal Title I context
Lower-need school
Not Title I eligible (FRPL < 25%)
<25% of students qualify for free/reduced lunch. Well below the Title I threshold; expect a higher-income student body on average.
Source: NCES Common Core of Data, free/reduced-price lunch eligibility. The actual Title I designation is a district decision and may differ from eligibility — but the federal eligibility math is what we show here. We don't claim to assert whether the district formally chose to enroll this school in Title I.
Chronic absenteeism
Why this matters to enrollment: Chronic absence is the strongest early indicator of dropout, transfer-out, and family disengagement. A school's absenteeism trend forecasts its enrollment trend 1-3 years out. For school leaders: an Enrollment Trend Audit traces this dynamic forward →
Source: U.S. Department of Education, Civil Rights Data Collection 2020–2021. Rate = students chronically absent ÷ 2024 total enrollment.
Counselor capacity
Source: U.S. Department of Education, Civil Rights Data Collection 2020-2021. Counselor ratio = the school's most recent total enrollment ÷ counselor FTE. The American School Counselor Association (ASCA) recommends a 250:1 maximum; the US national median across schools with on-staff counselors is roughly 430:1.
Enrollment trend & projection
Total enrollment + grade 12, NCES Common Core of Data (2021–2024).
If the recent trend holds…
At its recent rate of +6.8%/year, projecting from 2024's 112 students:
An extrapolation of the recent trajectory, not a forecast of the school's plans; ignores one-off shocks.
Nearby high schools — the local competition
The closest high schools families here also consider, and where their enrollment is heading.
| School | Type | Miles | HS enrollment | Trend |
|---|---|---|---|---|
| Estelline High School - 01 Estelline |
Public | 12.2 | 83 | +5.1% |
| Watertown High School - 01 Watertown |
Public | 12.7 | 1,222 | -2.9% |
| Great Plains Lutheran High School Watertown |
Private | 13.7 | 133 | +11.8% |
| Hamlin High School - 01 Hayti |
Public | 13.8 | 226 | +0.4% |
| Deuel High School - 01 Clear Lake |
Public | 17.0 | 176 | +10.0% |
| Waverly-South Shore High School - 01 Waverly |
Public | 19.2 | 86 | +7.5% |
| Henry High School - 01 Henry |
Public | 23.8 | 54 | -12.9% |
| Arlington High School - 01 Arlington |
Public | 25.7 | 76 | -20.0% |