Other · DOL Form 5500 · 2023

Marin Country Day School Retirement Plan

Data updated 2026-08-25

$59M
Total assets Below avg plan size
195
Participants Below avg headcount
87th
Percentile by assets National rank
$300,781
Avg per participant High balance/head
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Official DOL plan name: Marin Country Day School Defined Contribution 403(b) Retirement Plan · Sponsored by Marin Country Day School · California · Educational Services

$59M in assets, 195 participants

Marin Country Day School's Marin Country Day School Defined Contribution 403(b) Retirement Plan reported $59M in total assets and 195 participants in its 2023 DOL Form 5500 filing, ranking in the 87th 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.

  • #2,868 in Educational Services (3,735 peers)

Coverage in California

Marin Country Day School Defined Contribution 403(b) Retirement Plan covers 195 participants in California, about 31% of the average California filer (state average ~630 per filing). Assets: $59M.

#2,868
in Educational Services (3,735 peers)
+16.6%
assets growth YoY
0.6×
vs typical plan assets (national mean)

Marin Country Day School Defined Contribution 403(b) Retirement Plan's outsized position by total assets

Marin Country Day School Defined Contribution 403(b) Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$58,652,322 Top 13% higher than 87% of 127,068 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 2023

Marin Country Day School Defined Contribution 403(b) Retirement Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Marin Country Day School Defined Contribution 403(b) Retirement Plan sits mid-pack in the medium band (195 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Marin Country Day School Defined Contribution 403(b) Retirement Plan reported net income rose from -$5M in the plan year 2022 filing to $8M in the plan year 2023 filing.
  • Marin Country Day School Defined Contribution 403(b) Retirement Plan end-of-year assets rose from $50M in the plan year 2022 filing to $59M in the plan year 2023 filing.
  • Marin Country Day School Defined Contribution 403(b) Retirement Plan reported participants fell from 197 in the plan year 2022 filing to 195 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 941375791 · Marin Country Day School PY 2023 · Other

Marin Country Day School Defined Contribution 403(b) Retirement Plan · $59M · 195 · 87th

  • EIN $59M
  • EIN 195
  • EIN 87th
  • EIN Other
  • EIN near Optical Society of America Defined Contribution Retirement Plan
  • EIN ind #2868

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 →

Marin Country Day School Defined Contribution 403(b) Retirement Plan in the asset neighbourhood

Norfolk Academy Pre-Tax Savings and Retirement PlanNorfolk Academy Pre-Tax Savi…$59MMarin Country Day School Defined Contribution 403(b) Retirement PlanMarin Country Day School Def…$59MOptical Society of America Defined Contribution Retirement PlanOptical Society of America D…$59MThe Rivers School Defined Contribution Retirement PlanThe Rivers School Defined Co…$59MAsbury University DC Retirement PlanAsbury University DC Retirem…$59M
End-of-year total assets ($M) among Marin Country Day School Defined Contribution 403(b) Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$50M
Net Assets (End of Year)$59M
Net Income$8M
Employer EIN941375791
Plan Effective Date1960-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Marin Country Day School)

Sponsor-wide plan assets over time

All Marin Country Day School plans reported in each filing year

Latest sponsor-wide plan assets
$65M 29.87159396941239% vs 2022
2024 filing year
$45M$50M$55M$60M$65M$70M 202220232024 $50.3M $65.3M ▲ +29.9%
Year Plans Participants Total Assets
2022 1 197 $50M
2023 1 195 $59M
2024 1 204 $65M

Nearby Other Plans in California

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

Marin Country Day School Defined Contribution 403(b) Retirement Plan vs. nearby Other plans in California, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -5051015 Total assets ($B) Participants Marin Country Day School Defined Contribution 403(b) Retirement Plan, Total assets ($B): 0.058652322 · Participants: 195Marin Country Day School Defined Contribution 403(b) Retirement PlanStanford Contributory Retirement Plan, Total assets ($B): 11.039978863 · Participants: 21674Stanford Contributory Retirement PlanSutter Health 403(b) Savings Plan, Total assets ($B): 6.533806707 · Participants: 50273Sutter Health 403(b) Savings PlanStanford Health Care Retirement Savings Plan, Total assets ($B): 5.761504142 · Participants: 22681Stanford Health Care Retirement Savings PlanCaltech Base Retirement Plan, Total assets ($B): 4.792181822 · Participants: 10682Caltech Base Retirement PlanUniversity of Southern California Tax-Deferred Annuity Plan, Total assets ($B): 4.277911652 · Participants: 21764University of Southern California Tax-Deferred Annuity Plan
Marin Country Day School Defined Contribution 403(b) Retirement Plan vs. nearby Other plans in California, assets vs. participants

Marin Country Day School Defined Contribution 403(b) Retirement Plan's out-of-state Other peers by assets and headcount

Outside California, the nearest Other by assets is Optical Society of America Defined Contribution Retirement Plan in DC ($59M); by covered participants it is Mcpherson College 403(b) Plan in KS (195 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (195 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Marin Country Day School Defined Contribution 403(b) Retirement Plan assets move in 2023?
Marin Country Day School Defined Contribution 403(b) Retirement Plan grew sharply - up 16.6% during 2023, from $50M to $59M. Reported net income was $8M.
How have Marin Country Day School plan assets changed over time?
Across 3 plan years on file (2022-2024), Marin Country Day School's sponsor-wide assets grew 29.9%, from $50M to $65M.
Where does Marin Country Day School Defined Contribution 403(b) Retirement Plan rank by assets among Form 5500 filers?
Marin Country Day School Defined Contribution 403(b) Retirement Plan ranks in the 87th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which Other plans are similar in size to Marin Country Day School Defined Contribution 403(b) Retirement Plan?
Among Other plans in other states, the closest by assets is Optical Society of America Defined Contribution Retirement Plan in DC ($59M, 125 participants).
Which Other plans cover a similar participant headcount to Marin Country Day School Defined Contribution 403(b) Retirement Plan?
Among Other plans in other states, the closest by covered participants is Mcpherson College 403(b) Plan in KS (195 participants, $22M in assets).