Addison Central Unified Union School District #55

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. District totals are aggregated directly from the schools reporting under this district in the source records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.

Middlebury, Vermont - 9 schools

An equity score of 61/100 ranks Addison Central Unified Union School District #55 #28 of 80 districts in Vermont (state average 51). Derived live from how evenly resources are distributed across the district's schools.

At $23,788 per pupil, Addison Central Unified Union School District #55 ranks #20 of 102 Vermont districts by per-pupil spending (Vermont districts). NCES F-33 finance data.

1,773
Total Enrollment
9
Schools
$23,788
Per-Pupil Spending
Combined, High
School Types

District-Level NCES Analysis

Addison Central Unified Union School District #55 operates 9 public schools serving 1,773 students, placing it among the smaller districts in Vermont. The school portfolio breaks down into 7 combined, 1 high, 1 middle schools, a compact enough portfolio that families can compare every campus directly before they move, rent, or enrol. These enrollment and school figures come from the NCES Common Core of Data (CCD) 2024-25 release, and the district is based in Addison County.

Per-pupil expenditure runs $23,788 according to the NCES F-33 School District Finance Survey, in the upper half of 102 Vermont districts by per-pupil spending. See how Vermont compares in our national per-pupil spending analysis. The funding mix is 3.3% local, 89.4% state, and 7.2% federal, a state-revenue-heavy mix that insulates the district somewhat from local property-tax volatility, though it ties funding to state budget cycles. The district's equity score is 61/100, ranked #28 of 80 in Vermont against a state average of 51, notably more even than the typical district in the state for how evenly funding reaches its schools.

a 231.6:1 student-counselor ratio, that meets the ASCA-recommended benchmark, and 29.3% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 95.8% White, 1.9% Hispanic or Latino, 0.9% African American across the district's schools. Its most demographically mixed campus is Middlebury Id #4 School, with a diversity index of 17.1/100.

Its largest campus is Middlebury Union High School, enrolling 521 students (30% of the district's total enrollment). Its smallest is Ripton Elementary School, at 39 students, a 13x enrollment spread across the district's campuses.

Middlebury Union High School accounts for 29.4% of all Addison Central Unified Union School District #55 student enrollment

That dominant concentration means Addison Central Unified Union School District #55-wide averages can mask substantial variation outside the dominant entity. Grade band: high. A single dominant campus often anchors a district's program offerings and staffing patterns; the share helps explain why district-wide averages may not reflect the typical neighbourhood-school experience. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.

Source: NCES Common Core of Data NCES Common Core of Data

Addison Central Unified Union School District #55 school enrollment varies 13× across entities

Addison Central Unified Union School District #55 school enrollment ranges from 39 students (lowest) to 521 students (highest), a spread of 482 students. That spread reflects typical mixed-portfolio variation between specialty programs and large neighbourhood schools. Per-school staffing ratios, programme availability, and capital-renovation cycles often diverge inside the same district based on enrollment shape.

Source: NCES Common Core of Data NCES Common Core of Data

Addison Central Unified Union School District #55 student-counselor ratio is 232:1 — low (typically associated with meeting or exceeding the American School Counselor Association (ASCA) recommended 250:1 benchmark, which correlates with stronger college and career counseling capacity)

student-counselor ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE counselors against total enrollment, districts that contract intervention or social-emotional staff outside the counselor classification may be under-counted Lower values often correlate with smaller scale and population characteristics rather than higher resource budgets per se.

Source: NCES Civil Rights Data Collection NCES Civil Rights Data Collection

Addison Central Unified Union School District #55 chronic absenteeism rate is 29.3% — near the typical range (US average ~28) — aligned with the national post-pandemic baseline of roughly 28% chronic absenteeism

chronic absenteeism rate is the simplest comparative metric but it does not capture the full picture: a student is chronically absent if they miss ≥10% of enrolled days for any reason, illness, family obligations, or disengagement Variation between sub-units within Addison Central Unified Union School District #55 is typically wider than the Addison Central Unified Union School District #55-aggregate figure suggests.

Source: NCES Civil Rights Data Collection 2021-22 NCES Civil Rights Data Collection 2021-22

Where does the funding come from?

7.2%
Federal
89.4%
State
3.3%
Local

Funding Equity

61
Equity Score
28 / 80
State Rank
51
State Average

This district has moderate funding equity. There may be room to improve funding diversity or resource allocation.

Student Demographics

Average demographic composition across 9 schools in Addison Central Unified Union School District #55.

White 95.8%
Hispanic or Latino 1.9%
African American 0.9%
Asian 0.8%

Source: NCES CCD School Membership 2024-25.

Student-body diversity

Average diversity index 7.9/100

Average Simpson diversity index across Addison Central Unified Union School District #55's schools, below the Vermont average of 19.5.

Most mixed schools

  1. 1 Middlebury Id #4 School 17.1
  2. 2 Middlebury Union High School 16.6
  3. 3 Middlebury Union Middle School 11.2
  4. 4 Shoreham Elementary School 10.2
  5. 5 Bingham Memorial School 8.5

Programs & Resources

231.6:1
Student-Counselor Ratio
29.3%
Chronically Absent

Source: NCES Civil Rights Data Collection (CRDC) 2021-22.

Schools in Addison Central Unified Union School District #55

School Enrollment
Middlebury Union High School
521
Middlebury Id #4 School
484
Middlebury Union Middle School
381
Bingham Memorial School
91
Bridport Central School
63
Salisbury Community School
62
Shoreham Elementary School
56
Weybridge Elementary School
42
Ripton Elementary School
39

How Addison Central Unified Union School District #55 Compares to Similar-Size Districts

The Vermont districts closest to this one in total enrollment.

District Enrollment Spending Funding Mix
Kingdom East Unified Union School District #64 Similar size Lower spending Similar funding mix
Harwood Unified Union School District #60 Similar size Similar spending Similar funding mix
Missisquoi Valley School District #89 Similar size Similar spending Similar funding mix
Taconic and Green Regional School District #63 Similar size Lower spending Similar funding mix
Lamoille South Unified Union School District #90 Similar size Similar spending Similar funding mix

Comparisons are relative to Addison Central Unified Union School District #55's own figures; each column derives from NCES Common Core of Data and the F-33 Finance Survey.

Nearby Districts in Vermont

Top districts in the same state, compare side-by-side for enrollment, spending, and demographics.

Compare Addison Central Unified Union School District #55

See how this district compares to others in enrollment, spending, demographics, and academic resources.

Compare vs Champlain Valley Unified Union School District #56 →

Frequently Asked Questions

How many schools are in Addison Central Unified Union School District #55?

Addison Central Unified Union School District #55 has 9 schools, including 1 high, 7 combined, 1 middle. Total enrollment is 1,773 students.

How much does Addison Central Unified Union School District #55 spend per student?

Addison Central Unified Union School District #55 spends $23,788 per student. The district has an equity score of 61/100, ranking #28 in Vermont.

What is the demographic composition of Addison Central Unified Union School District #55?

Addison Central Unified Union School District #55 students are 95.8% White, 1.9% Hispanic or Latino, 0.9% African American, 0.8% Asian, averaged across 9 schools. Source: NCES CCD Membership 2024-25.

What is the equity score for Addison Central Unified Union School District #55?

Addison Central Unified Union School District #55 has an equity score of 61/100, ranking #28 out of 80 districts in Vermont.