Other · DOL Form 5500 · 2024

Groton School Retirement Plan

Data updated 2026-08-25

$87M
Total assets Below avg plan size
195
Participants Below avg headcount
89th
Percentile by assets National rank
$446,857
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

$87M in assets, 195 participants

Groton School's Groton School 403(b) Defined Contribution Retirement Plan reported $87M in total assets and 195 participants in its 2024 DOL Form 5500 filing, ranking in the 89th 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.

  • #2,946 in Educational Services (3,638 peers)

Coverage in Massachusetts

Groton School 403(b) Defined Contribution Retirement Plan covers 195 participants in Massachusetts, about 30% of the average Massachusetts filer (state average ~659 per filing). Assets: $87M.

#2,946
in Educational Services (3,638 peers)
+8.5%
assets growth YoY
0.9×
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 2024 · DOL Form 5500

$87,137,103 Top 11% higher than 89% 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

Groton School 403(b) Defined Contribution Retirement 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. Groton School 403(b) Defined Contribution Retirement Plan sits mid-pack in the medium band (195 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Groton School 403(b) Defined Contribution Retirement Plan reported net income fell from $8M in the plan year 2023 filing to $7M in the plan year 2024 filing.
  • Groton School 403(b) Defined Contribution Retirement Plan end-of-year assets rose from $80M in the plan year 2023 filing to $87M in the plan year 2024 filing.
  • Groton School 403(b) Defined Contribution Retirement Plan reported participants fell from 203 in the plan year 2023 filing to 195 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 042104265 · Groton School PY 2024 · Other

Groton School 403(b) Defined Contribution Retirement Plan · $87M · 195 · 89th

  • PART $87M
  • TYPE 195
  • NET 89th
  • BOOK Other
  • VS-ST near The New Teacher Project 403(b) Plan
  • BOY ind #2946

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

Baxter Regional Medical Center 403(b) Pension PlanBaxter Regional Medical Cent…$87MGroton School 403(b) Defined Contribution Retirement PlanGroton School 403(b) Defined…$87MThe New Teacher Project 403(b) PlanThe New Teacher Project 403(…$87MSan Francisco Symphony Tsa Thrift PlanSan Francisco Symphony Tsa T…$87MWindward School Retirement PlanWindward School Retirement P…$87M
End-of-year total assets ($M) among Groton School 403(b) Defined Contribution Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$80M
Net Assets (End of Year)$87M
Net Income$7M
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. -10000010000200003000040000 -1012345 Total assets ($B) Participants Groton School 403(b) Defined Contribution Retirement Plan, Total assets ($B): 0.087137103 · Participants: 195Groton School 403(b) Defined Contribution Retirement PlanHarvard University Tax Deferred Annuity Plan, Total assets ($B): 4.299350229 · Participants: 24395Harvard University Tax Deferred Annuity PlanBeth Israel Lahey 403(b) Retirement Savings Plan, Total assets ($B): 3.507933231 · Participants: 33591Beth Israel Lahey 403(b) Retirement Savings PlanBoston University Retirement Plan, Total assets ($B): 2.976139 · Participants: 8173Boston University Retirement PlanNortheastern University Retirement Plan, Total assets ($B): 2.641546036 · Participants: 8900Northeastern University Retirement PlanBoston University Supplemental Retirement and Savings Plan, Total assets ($B): 1.735973854 · Participants: 12869Boston University Supplemental Retirement and Savings 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 The New Teacher Project 403(b) Plan in NY ($87M); by covered participants it is Trinity Christian School of Fairfax Defined Contribution and Tax Deferred Annuity Retirement Plan in VA (195 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($87M here).

Similar participant headcount

Nearest other-state filings by covered participants (195 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 Groton School 403(b) Defined Contribution Retirement Plan assets move in 2024?
Groton School 403(b) Defined Contribution Retirement Plan grew at a solid clip - up 8.5% during 2024, from $80M to $87M. Reported net income was $7M.
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 89th 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 Groton School 403(b) Defined Contribution Retirement Plan?
Among Other plans in other states, the closest by assets is The New Teacher Project 403(b) Plan in NY ($87M, 701 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 Trinity Christian School of Fairfax Defined Contribution and Tax Deferred Annuity Retirement Plan in VA (195 participants, $8M in assets).