Other · DOL Form 5500 · 2023

Groton School Retirement Plan

Data updated 2026-08-25

$80M
Total assets Below avg plan size
203
Participants Below avg headcount
90th
Percentile by assets National rank
$395,583
Avg per participant High balance/head
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Official DOL plan name: Groton School 403(b) Defined Contribution Retirement Plan · Sponsored by Groton School · Massachusetts · Educational Services

$80M in assets, 203 participants

Groton School's Groton School 403(b) Defined Contribution Retirement Plan reported $80M in total assets and 203 participants in its 2023 DOL Form 5500 filing, ranking in the 90th 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.

  • #3,054 in Educational Services (3,735 peers)

Coverage in Massachusetts

Groton School 403(b) Defined Contribution Retirement Plan covers 203 participants in Massachusetts, about 31% of the average Massachusetts filer (state average ~659 per filing). Assets: $80M.

#3,054
in Educational Services (3,735 peers)
+11.8%
assets growth YoY
0.8×
vs typical plan assets (national mean)

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

Groton School 403(b) Defined Contribution Retirement Plan vs every filed plan by assets

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

$80,303,314 Top 10% higher than 90% 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

Groton School 403(b) Defined Contribution 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. Groton School 403(b) Defined Contribution Retirement Plan sits mid-pack in the medium band (203 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Groton School 403(b) Defined Contribution Retirement Plan reported net income rose from -$14M in the plan year 2022 filing to $8M in the plan year 2023 filing.
  • Groton School 403(b) Defined Contribution Retirement Plan end-of-year assets rose from $72M in the plan year 2022 filing to $80M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 042104265 · Groton School PY 2023 · Other

Groton School 403(b) Defined Contribution Retirement Plan · $80M · 203 · 90th

  • EIN $80M
  • RANK 203
  • PHOTO 90th
  • IND Other
  • EOY near Children's Health System, Inc. Defined Contribution Plan
  • 5500 ind #3054

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 Massachusetts →

Groton School 403(b) Defined Contribution Retirement Plan in the asset neighbourhood

Lynn University Defined Contribution Retirement PlanLynn University Defined Cont…$80MThe United States Golf Association Tax Deferred Annuity PlanThe United States Golf Assoc…$80MGroton School 403(b) Defined Contribution Retirement PlanGroton School 403(b) Defined…$80MChildren's Health System, Inc. Defined Contribution PlanChildren's Health System, In…$80MAlbuquerque Academy Retirement PlanAlbuquerque Academy Retireme…$80M
End-of-year total assets ($M) among Groton School 403(b) Defined Contribution Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$72M
Net Assets (End of Year)$80M
Net Income$8M
Employer EIN042104265
Plan Effective Date1923-01-20
Filing StatusFILING RECEIVED

Sponsor Plan History (Groton School)

Sponsor-wide plan assets over time

All Groton School plans reported in each filing year

Latest sponsor-wide plan assets
$112M 21.224308979260275% vs 2022
2024 filing year
$90M$100M$110M$120M 202220232024 $92.6M $112M ▲ +21.2%
Year Plans Participants Total Assets
2022 2 281 $93M
2023 2 279 $103M
2024 2 269 $112M

Nearby Other Plans in Massachusetts

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

Groton School 403(b) Defined Contribution Retirement Plan vs. nearby Other plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -50000500010000150002000025000 -20246 Total assets ($B) Participants Groton School 403(b) Defined Contribution Retirement Plan, Total assets ($B): 0.080303314 · Participants: 203Groton School 403(b) Defined Contribution Retirement PlanThe Mitre Corporation Tax Sheltered Annuity Plan, Total assets ($B): 4.700618255 · Participants: 11980The Mitre Corporation Tax Sheltered Annuity PlanHarvard University Tax Deferred Annuity Plan, Total assets ($B): 3.76566072 · Participants: 21064Harvard University Tax Deferred Annuity PlanBoston University Retirement Plan, Total assets ($B): 2.758080647 · Participants: 8130Boston University Retirement PlanBeth Israel Deaconess Medical Center Voluntary 403(b) Plan, Total assets ($B): 2.396382678 · Participants: 13981Beth Israel Deaconess Medical Center Voluntary 403(b) PlanNortheastern University Retirement Plan, Total assets ($B): 2.333339945 · Participants: 8553Northeastern University Retirement Plan
Groton School 403(b) Defined Contribution Retirement Plan vs. nearby Other plans in Massachusetts, assets vs. participants

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

Outside Massachusetts, the nearest Other by assets is Children's Health System, Inc. Defined Contribution Plan in VA ($80M); by covered participants it is Community Medical Center Inc. Tax Deferred Annuity Plan in NE (203 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (203 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 Groton School 403(b) Defined Contribution Retirement Plan assets move in 2023?
Groton School 403(b) Defined Contribution Retirement Plan grew at a solid clip - up 11.8% during 2023, from $72M to $80M. Reported net income was $8M.
How have Groton School plan assets changed over time?
Across 3 plan years on file (2022-2024), Groton School's sponsor-wide assets grew 21.2%, from $93M to $112M.
Where does Groton School 403(b) Defined Contribution Retirement Plan rank by assets among Form 5500 filers?
Groton School 403(b) Defined Contribution Retirement Plan ranks in the 90th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which Other plans are similar in size to Groton School 403(b) Defined Contribution Retirement Plan?
Among Other plans in other states, the closest by assets is Children's Health System, Inc. Defined Contribution Plan in VA ($80M, 652 participants).
Which Other plans cover a similar participant headcount to Groton School 403(b) Defined Contribution Retirement Plan?
Among Other plans in other states, the closest by covered participants is Community Medical Center Inc. Tax Deferred Annuity Plan in NE (203 participants, $15M in assets).