Other · DOL Form 5500 · 2024

The Colburn School Retirement Plan

Data updated 2026-08-25

$34M
Total assets Below avg plan size
333
Participants Below avg headcount
79th
Percentile by assets National rank
$102,272
Avg per participant Below avg balance/head
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Official DOL plan name: The Colburn School Tda / DC Plan · Sponsored by The Colburn School · California · Educational Services

$34M in assets, 333 participants

The Colburn School's The Colburn School Tda / DC Plan reported $34M in total assets and 333 participants in its 2024 DOL Form 5500 filing, ranking in the 79th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #2,345 in Educational Services (3,638 peers)

Where The Colburn School Tda / DC Plan sits by assets

The Colburn School Tda / DC Plan sits in the top quartile of all filed plans by assets, $34M for 333 participants (~$102,272/participant), up 13.3% in 2024.

#2,345
in Educational Services (3,638 peers)
+13.3%
assets growth YoY
0.3×
vs typical plan assets (national mean)

The Colburn School Tda / DC Plan's outsized position by total assets

The Colburn School Tda / DC Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$34,056,579 Top 21% higher than 79% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

The Colburn School Tda / DC Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. The Colburn School Tda / DC Plan sits mid-pack in the medium band (333 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • The Colburn School Tda / DC Plan reported net income rose from $2M in the plan year 2023 filing to $4M in the plan year 2024 filing.
  • The Colburn School Tda / DC Plan end-of-year assets rose from $30M in the plan year 2023 filing to $34M in the plan year 2024 filing.
  • The Colburn School Tda / DC Plan reported participants rose from 320 in the plan year 2023 filing to 333 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 952501387 · The Colburn School PY 2024 · Other

The Colburn School Tda / DC Plan · $34M · 333 · 79th

  • EOY $34M
  • 5500 333
  • ASSETS 79th
  • PCT Other
  • EIN near Amery Hospital & Clinic 403(b)Plan
  • RANK ind #2345

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Educational Services retirement plans → · Plans in California →

The Colburn School Tda / DC Plan in the asset neighbourhood

Columbia Valley Community Health Retirement PlanColumbia Valley Community He…$34MJoint Township District Memorial Hospital Deferred Annuity PlanJoint Township District Memo…$34MThe Colburn School Tda / DC PlanThe Colburn School Tda / DC …$34MAmery Hospital & Clinic 403(b)PlanAmery Hospital & Clinic 403(…$34MAusten Riggs 403(b) Retirement PlanAusten Riggs 403(b) Retireme…$34M
End-of-year total assets ($M) among The Colburn School Tda / DC Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$30M
Net Assets (End of Year)$34M
Net Income$4M
Employer EIN952501387
Plan Effective Date1998-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (The Colburn School)

Sponsor-wide plan assets over time

All The Colburn School plans reported in each filing year

Latest sponsor-wide plan assets
$34M 20.354039688381068% vs 2022
2024 filing year
$26M$28M$30M$32M$34M$36M 202220232024 $28.3M $34.1M ▲ +20.4%
Year Plans Participants Total Assets
2022 1 294 $28M
2023 1 320 $30M
2024 1 333 $34M

Nearby Other Plans in California

Peer Other plans, same state, same plan type, ranked by total assets.

The Colburn School Tda / DC Plan vs. nearby Other plans in California, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -5051015 Total assets ($B) Participants The Colburn School Tda / DC Plan, Total assets ($B): 0.034056579 · Participants: 333The Colburn School Tda / DC PlanStanford Contributory Retirement Plan, Total assets ($B): 12.568126014 · Participants: 22753Stanford Contributory Retirement PlanSutter Health 403(b) Savings Plan, Total assets ($B): 7.632419022 · Participants: 54954Sutter Health 403(b) Savings PlanStanford Health Care Retirement Savings Plan, Total assets ($B): 6.931286515 · Participants: 24152Stanford Health Care Retirement Savings PlanCaltech Base Retirement Plan, Total assets ($B): 5.246676378 · Participants: 10970Caltech Base Retirement PlanUniversity of Southern California Tax-Deferred Annuity Plan, Total assets ($B): 4.81831751 · Participants: 20886University of Southern California Tax-Deferred Annuity Plan
The Colburn School Tda / DC Plan vs. nearby Other plans in California, assets vs. participants

The Colburn School Tda / DC Plan's out-of-state Other peers by assets and headcount

Outside California, the nearest Other by assets is Amery Hospital & Clinic 403(b)Plan in MN ($34M); by covered participants it is Hawken School Retirement Plan in OH (333 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (333 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did The Colburn School Tda / DC Plan assets move in 2024?
The Colburn School Tda / DC Plan grew at a solid clip - up 13.3% during 2024, from $30M to $34M. Reported net income was $4M.
How have The Colburn School plan assets changed over time?
Across 3 plan years on file (2022-2024), The Colburn School's sponsor-wide assets grew 20.4%, from $28M to $34M.
Where does The Colburn School Tda / DC Plan rank by assets among Form 5500 filers?
The Colburn School Tda / DC Plan ranks in the 79th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which Other plans are similar in size to The Colburn School Tda / DC Plan?
Among Other plans in other states, the closest by assets is Amery Hospital & Clinic 403(b)Plan in MN ($34M, 408 participants).
Which Other plans cover a similar participant headcount to The Colburn School Tda / DC Plan?
Among Other plans in other states, the closest by covered participants is Hawken School Retirement Plan in OH (333 participants, $50M in assets).