Enrollment
632
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Montgomery, IL
Federal NCES profile for Long Beach Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Long Beach Elem School earns 50/100 on the Resource Investment Index, with class sizes larger than 96% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
Long Beach Elem School has class sizes larger than 96% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Long Beach Elem School ranks #2 of 3 schools in Montgomery, IL.
Enrollment
632
Illinois · 2024-25 NCES data
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
20.4:1
vs 14:1 Illinois avg
+46% vs state
How Long Beach Elem School compares with Illinois and U.S. medians
Larger classes than state median
20.4:1 - 6.4 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Long Beach Elem School is a mid-sized combined-grade school in Montgomery, Illinois, enrolling 632 students.
Class loads run heavy: 20.4:1 is larger than about 96% of Illinois schools and 46% above the 14:1 state mean, so each teacher carries more students than is typical.
Enrollment of 632 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is led by Hispanic or Latino (56%) and White (26%), more mixed than most schools in the state (diversity index 60/100).
15.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Montgomery's public schools, it stands alongside Lakewood Creek Elementary (767 students): Long Beach Elem School is smaller than that campus by headcount and runs heavier classes (20.4:1 vs 20.2:1).
Cusd 308 also operates Oswego High School (2,870 students) and Oswego East High School (2,758 students) alongside Long Beach Elem School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Long Beach Elem School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.4:1 | ▲ 46% | 14:1 | 15.7:1 |
| Enrollment | 632 | top 18% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 56.0% of enrollment.
Simpson diversity index - at 60.4, Long Beach Elem School is more mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Cusd 308, which includes Long Beach Elem School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oswego High School | Larger | No free-lunch data | Lower S:T ratio |
| Oswego East High School | Larger | No free-lunch data | Lower S:T ratio |
| Traughber Jr High School | Larger | No free-lunch data | Lower S:T ratio |
| Thompson Jr High School | Larger | No free-lunch data | Lower S:T ratio |
| Lakewood Creek Elementary | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Long Beach Elem School's own figures; each column derives from NCES Common Core of Data.
2 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Long Beach Elem School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Long Beach Elem School has 632 students enrolled. It is a public school in Montgomery, IL.
The student-teacher ratio at Long Beach Elem School is 20.4:1, which is 46% higher than the Illinois average of 14:1 and 30% higher than the national average of 15.7:1.
The largest demographic group at Long Beach Elem School is Hispanic or Latino at 56.0% of enrollment, in Montgomery, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.4/100.
Long Beach Elem School has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Long Beach Elem School ranks #2 of 3 schools in Montgomery, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Montgomery on the city page.
Long Beach Elem School earns 50/100 on the Resource Investment Index, with class sizes larger than 96% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Long Beach Elem School, Cusd 308 also operates Oswego High School (2,870 students), Oswego East High School (2,758 students), and Traughber Jr High School (1,070 students). See the Cusd 308 district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Long Beach Elem School, Montgomery IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/long-beach-elem-school-il
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