Civic Intelligence

Groton School Corp.

Plan context: Groton School General Retirement Plan

EIN 04-2104265 • Groton, MA • 93 filings • 16 plans

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282 Farmers RowPO Box 991Groton, MA 01450-0991
Current Snapshot

Latest Year

2024

2024 Participants

240

2024 Assets

$87,137,103

2024 Contributions

$2,659,376

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$103,960,331$51,980,166$0199920152024YearValue
$87,137,103Latest year 2024

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

3681840199920122024YearValue
240Latest year 2024

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
20242240$87,137,103$2,659,376$11,081iApproximate average salary by contribution assumption: employee only about $277,018 at 4% or $184,679 at 6%; with 50% employer match about $184,679 at 4% or $123,119 at 6%; with 100% employer match about $138,509 at 4% or $92,339 at 6%.
Groton School General Retirement Plan-240$87,137,103$2,659,376$11,081iApproximate average salary by contribution assumption: employee only about $277,018 at 4% or $184,679 at 6%; with 50% employer match about $184,679 at 4% or $123,119 at 6%; with 100% employer match about $138,509 at 4% or $92,339 at 6%.
Groton School Welfare Plan-124---
20233195$103,454,809$3,838,418$19,684iApproximate average salary by contribution assumption: employee only about $492,105 at 4% or $328,070 at 6%; with 50% employer match about $328,070 at 4% or $218,713 at 6%; with 100% employer match about $246,052 at 4% or $164,035 at 6%.
Groton School General Retirement Plan-195$80,303,314$2,638,418$13,530iApproximate average salary by contribution assumption: employee only about $338,259 at 4% or $225,506 at 6%; with 50% employer match about $225,506 at 4% or $150,337 at 6%; with 100% employer match about $169,129 at 4% or $112,753 at 6%.
Groton School Defined Benefit Plan-74$23,151,495$1,200,000$16,216iApproximate average salary by contribution assumption: employee only about $405,405 at 4% or $270,270 at 6%; with 50% employer match about $270,270 at 4% or $180,180 at 6%; with 100% employer match about $202,703 at 4% or $135,135 at 6%.
Groton School Welfare Plan-121---
20223368$92,602,539$4,876,102$13,250iApproximate average salary by contribution assumption: employee only about $331,257 at 4% or $220,838 at 6%; with 50% employer match about $220,838 at 4% or $147,225 at 6%; with 100% employer match about $165,628 at 4% or $110,419 at 6%.
Groton School General Retirement Plan-368$71,815,449$2,876,102$7,815iApproximate average salary by contribution assumption: employee only about $195,387 at 4% or $130,258 at 6%; with 50% employer match about $130,258 at 4% or $86,839 at 6%; with 100% employer match about $97,694 at 4% or $65,129 at 6%.
Groton School Defined Benefit Plan-76$20,787,090$2,000,000$26,316iApproximate average salary by contribution assumption: employee only about $657,895 at 4% or $438,596 at 6%; with 50% employer match about $438,596 at 4% or $292,398 at 6%; with 100% employer match about $328,947 at 4% or $219,298 at 6%.
Groton School Welfare Plan-124---
20213202$103,960,331$3,872,791$19,172iApproximate average salary by contribution assumption: employee only about $479,306 at 4% or $319,537 at 6%; with 50% employer match about $319,537 at 4% or $213,025 at 6%; with 100% employer match about $239,653 at 4% or $159,769 at 6%.
Groton School General Retirement Plan-202$85,701,131$2,672,791$13,232iApproximate average salary by contribution assumption: employee only about $330,791 at 4% or $220,527 at 6%; with 50% employer match about $220,527 at 4% or $147,018 at 6%; with 100% employer match about $165,395 at 4% or $110,264 at 6%.
Groton School Defined Benefit Plan-79$18,259,200$1,200,000$15,190iApproximate average salary by contribution assumption: employee only about $379,747 at 4% or $253,165 at 6%; with 50% employer match about $253,165 at 4% or $168,776 at 6%; with 100% employer match about $189,873 at 4% or $126,582 at 6%.
Groton School Welfare Plan-123---
20202186$98,058,560$2,512,547$13,508iApproximate average salary by contribution assumption: employee only about $337,708 at 4% or $225,139 at 6%; with 50% employer match about $225,139 at 4% or $150,092 at 6%; with 100% employer match about $168,854 at 4% or $112,569 at 6%.
Groton School General Retirement Plan-186$77,073,889$1,412,547$7,594iApproximate average salary by contribution assumption: employee only about $189,858 at 4% or $126,572 at 6%; with 50% employer match about $126,572 at 4% or $84,382 at 6%; with 100% employer match about $94,929 at 4% or $63,286 at 6%.
Groton School Defined Benefit Plan-79$20,984,671$1,100,000$13,924iApproximate average salary by contribution assumption: employee only about $348,101 at 4% or $232,068 at 6%; with 50% employer match about $232,068 at 4% or $154,712 at 6%; with 100% employer match about $174,051 at 4% or $116,034 at 6%.
20193192$82,895,758$3,885,519$20,237iApproximate average salary by contribution assumption: employee only about $505,927 at 4% or $337,285 at 6%; with 50% employer match about $337,285 at 4% or $224,856 at 6%; with 100% employer match about $252,963 at 4% or $168,642 at 6%.
Groton School General Retirement Plan-192$67,167,114$2,785,519$14,508iApproximate average salary by contribution assumption: employee only about $362,698 at 4% or $241,799 at 6%; with 50% employer match about $241,799 at 4% or $161,199 at 6%; with 100% employer match about $181,349 at 4% or $120,899 at 6%.
Groton School Defined Benefit Plan-79$15,728,644$1,100,000$13,924iApproximate average salary by contribution assumption: employee only about $348,101 at 4% or $232,068 at 6%; with 50% employer match about $232,068 at 4% or $154,712 at 6%; with 100% employer match about $174,051 at 4% or $116,034 at 6%.
Groton School Welfare Plan-162---
20183186$81,451,607$4,378,357$23,540iApproximate average salary by contribution assumption: employee only about $588,489 at 4% or $392,326 at 6%; with 50% employer match about $392,326 at 4% or $261,551 at 6%; with 100% employer match about $294,244 at 4% or $196,163 at 6%.
Groton School General Retirement Plan-186$66,146,609$3,528,357$18,970iApproximate average salary by contribution assumption: employee only about $474,242 at 4% or $316,161 at 6%; with 50% employer match about $316,161 at 4% or $210,774 at 6%; with 100% employer match about $237,121 at 4% or $158,081 at 6%.
Groton School Defined Benefit Plan-79$15,304,998$850,000$10,759iApproximate average salary by contribution assumption: employee only about $268,987 at 4% or $179,325 at 6%; with 50% employer match about $179,325 at 4% or $119,550 at 6%; with 100% employer match about $134,494 at 4% or $89,662 at 6%.
Groton School Welfare Plan-125---
20173172$79,181,569$2,848,584$16,562iApproximate average salary by contribution assumption: employee only about $414,038 at 4% or $276,026 at 6%; with 50% employer match about $276,026 at 4% or $184,017 at 6%; with 100% employer match about $207,019 at 4% or $138,013 at 6%.
Groton School General Retirement Plan-172$64,345,905$2,048,584$11,910iApproximate average salary by contribution assumption: employee only about $297,759 at 4% or $198,506 at 6%; with 50% employer match about $198,506 at 4% or $132,337 at 6%; with 100% employer match about $148,880 at 4% or $99,253 at 6%.
Groton School Defined Benefit Plan-80$14,835,664$800,000$10,000iApproximate average salary by contribution assumption: employee only about $250,000 at 4% or $166,667 at 6%; with 50% employer match about $166,667 at 4% or $111,111 at 6%; with 100% employer match about $125,000 at 4% or $83,333 at 6%.
Groton School Welfare Plan-127---
20163189$75,829,375$2,762,439$14,616iApproximate average salary by contribution assumption: employee only about $365,402 at 4% or $243,601 at 6%; with 50% employer match about $243,601 at 4% or $162,401 at 6%; with 100% employer match about $182,701 at 4% or $121,801 at 6%.
Groton School General Retirement Plan-189$62,164,102$2,062,439$10,912iApproximate average salary by contribution assumption: employee only about $272,809 at 4% or $181,873 at 6%; with 50% employer match about $181,873 at 4% or $121,249 at 6%; with 100% employer match about $136,405 at 4% or $90,936 at 6%.
Groton School Defined Benefit Plan-81$13,665,273$700,000$8,642iApproximate average salary by contribution assumption: employee only about $216,049 at 4% or $144,033 at 6%; with 50% employer match about $144,033 at 4% or $96,022 at 6%; with 100% employer match about $108,025 at 4% or $72,016 at 6%.
Groton School Welfare Plan-126---
20153255$67,767,358$3,146,142$12,338iApproximate average salary by contribution assumption: employee only about $308,445 at 4% or $205,630 at 6%; with 50% employer match about $205,630 at 4% or $137,087 at 6%; with 100% employer match about $154,223 at 4% or $102,815 at 6%.
Groton School General Retirement Plan-255$55,758,600$2,972,142$11,655iApproximate average salary by contribution assumption: employee only about $291,386 at 4% or $194,258 at 6%; with 50% employer match about $194,258 at 4% or $129,505 at 6%; with 100% employer match about $145,693 at 4% or $97,129 at 6%.
Groton School Defined Benefit Plan-76$12,008,758$174,000$2,289iApproximate average salary by contribution assumption: employee only about $57,237 at 4% or $38,158 at 6%; with 50% employer match about $38,158 at 4% or $25,439 at 6%; with 100% employer match about $28,618 at 4% or $19,079 at 6%.
Groton School Welfare Plan-150---
20145176$66,903,471$2,018,223$11,467iApproximate average salary by contribution assumption: employee only about $286,679 at 4% or $191,120 at 6%; with 50% employer match about $191,120 at 4% or $127,413 at 6%; with 100% employer match about $143,340 at 4% or $95,560 at 6%.
Groton School General Retirement Plan-176$54,548,905$1,872,223$10,638iApproximate average salary by contribution assumption: employee only about $265,941 at 4% or $177,294 at 6%; with 50% employer match about $177,294 at 4% or $118,196 at 6%; with 100% employer match about $132,970 at 4% or $88,647 at 6%.
Groton School Defined Benefit Plan-70$12,354,566$146,000$2,086iApproximate average salary by contribution assumption: employee only about $52,143 at 4% or $34,762 at 6%; with 50% employer match about $34,762 at 4% or $23,175 at 6%; with 100% employer match about $26,071 at 4% or $17,381 at 6%.
GROTON SCHOOL WELFARE PLAN DENTAL-102---
GROTON SCHOOL LIFE INSURANCE PLAN-137---
Groton School Welfare Plan-150---
20133163$64,537,823$2,622,338$16,088iApproximate average salary by contribution assumption: employee only about $402,199 at 4% or $268,133 at 6%; with 50% employer match about $268,133 at 4% or $178,755 at 6%; with 100% employer match about $201,100 at 4% or $134,066 at 6%.
Groton School General Retirement Plan-163$52,012,716$2,071,538$12,709iApproximate average salary by contribution assumption: employee only about $317,721 at 4% or $211,814 at 6%; with 50% employer match about $211,814 at 4% or $141,209 at 6%; with 100% employer match about $158,860 at 4% or $105,907 at 6%.
Groton School Defined Benefit Plan-67$12,525,107$550,800$8,221iApproximate average salary by contribution assumption: employee only about $205,522 at 4% or $137,015 at 6%; with 50% employer match about $137,015 at 4% or $91,343 at 6%; with 100% employer match about $102,761 at 4% or $68,507 at 6%.
Groton School Welfare Plan-136---
201210180$54,477,523$2,311,044$12,839iApproximate average salary by contribution assumption: employee only about $320,978 at 4% or $213,986 at 6%; with 50% employer match about $213,986 at 4% or $142,657 at 6%; with 100% employer match about $160,489 at 4% or $106,993 at 6%.
Groton School General Retirement Plan-180$43,841,056$1,731,044$9,617iApproximate average salary by contribution assumption: employee only about $240,423 at 4% or $160,282 at 6%; with 50% employer match about $160,282 at 4% or $106,855 at 6%; with 100% employer match about $120,211 at 4% or $80,141 at 6%.
Groton School Defined Benefit Plan-67$10,636,467$580,000$8,657iApproximate average salary by contribution assumption: employee only about $216,418 at 4% or $144,279 at 6%; with 50% employer match about $144,279 at 4% or $96,186 at 6%; with 100% employer match about $108,209 at 4% or $72,139 at 6%.
Groton School Welfare Plan-144---
Groton School Welfare Plan-39---
Groton School Welfare Plan-109---
Groton School Welfare Plan-122---
GROTON SCHOOL WELFARE PLAN DENTAL-0---
GROTON SCHOOL LIFE INSURANCE PLAN-0---
GROTON SCHOOL WELFARE PLAN-0---
GROTON SCHOOL VISION PLAN-0---
20119148$48,114,214$2,521,747$17,039iApproximate average salary by contribution assumption: employee only about $425,971 at 4% or $283,981 at 6%; with 50% employer match about $283,981 at 4% or $189,320 at 6%; with 100% employer match about $212,985 at 4% or $141,990 at 6%.
Groton School General Retirement Plan-148$38,834,230$1,586,647$10,721iApproximate average salary by contribution assumption: employee only about $268,015 at 4% or $178,676 at 6%; with 50% employer match about $178,676 at 4% or $119,118 at 6%; with 100% employer match about $134,007 at 4% or $89,338 at 6%.
Groton School Defined Benefit Plan-63$9,279,984$935,100$14,843iApproximate average salary by contribution assumption: employee only about $371,071 at 4% or $247,381 at 6%; with 50% employer match about $247,381 at 4% or $164,921 at 6%; with 100% employer match about $185,536 at 4% or $123,690 at 6%.
Groton School Welfare Plan-107---
Groton School Welfare Plan-139---
Groton School Welfare Plan-124---
GROTON SCHOOL WELFARE PLAN DENTAL-107---
GROTON SCHOOL LIFE INSURANCE PLAN-139---
GROTON SCHOOL WELFARE PLAN-48---
GROTON SCHOOL VISION PLAN-34---
20105147$46,802,239$2,388,104$16,246iApproximate average salary by contribution assumption: employee only about $406,140 at 4% or $270,760 at 6%; with 50% employer match about $270,760 at 4% or $180,507 at 6%; with 100% employer match about $203,070 at 4% or $135,380 at 6%.
Groton School General Retirement Plan-147$38,051,078$1,634,304$11,118iApproximate average salary by contribution assumption: employee only about $277,943 at 4% or $185,295 at 6%; with 50% employer match about $185,295 at 4% or $123,530 at 6%; with 100% employer match about $138,971 at 4% or $92,648 at 6%.
Groton School Defined Benefit Plan-63$8,751,161$753,800$11,965iApproximate average salary by contribution assumption: employee only about $299,127 at 4% or $199,418 at 6%; with 50% employer match about $199,418 at 4% or $132,945 at 6%; with 100% employer match about $149,563 at 4% or $99,709 at 6%.
Groton School Welfare Plan-137---
Groton School Welfare Plan-117---
Groton School Welfare Plan-102---
20095132$39,954,750$1,727,311$13,086iApproximate average salary by contribution assumption: employee only about $327,142 at 4% or $218,095 at 6%; with 50% employer match about $218,095 at 4% or $145,397 at 6%; with 100% employer match about $163,571 at 4% or $109,047 at 6%.
Groton School General Retirement Plan-132$33,149,192$1,544,571$11,701iApproximate average salary by contribution assumption: employee only about $292,532 at 4% or $195,022 at 6%; with 50% employer match about $195,022 at 4% or $130,014 at 6%; with 100% employer match about $146,266 at 4% or $97,511 at 6%.
Groton School Defined Benefit Plan-67$6,805,558$182,740$2,727iApproximate average salary by contribution assumption: employee only about $68,187 at 4% or $45,458 at 6%; with 50% employer match about $45,458 at 4% or $30,305 at 6%; with 100% employer match about $34,093 at 4% or $22,729 at 6%.
Groton School Welfare Plan-132---
Groton School Welfare Plan-100---
Groton School Welfare Plan-120---
20083132$6,070,484$400,000$3,030iApproximate average salary by contribution assumption: employee only about $75,758 at 4% or $50,505 at 6%; with 50% employer match about $50,505 at 4% or $33,670 at 6%; with 100% employer match about $37,879 at 4% or $25,253 at 6%.
Groton School Defined Benefit Plan-68$6,070,484$400,000$5,882iApproximate average salary by contribution assumption: employee only about $147,059 at 4% or $98,039 at 6%; with 50% employer match about $98,039 at 4% or $65,359 at 6%; with 100% employer match about $73,529 at 4% or $49,020 at 6%.
Groton School Welfare Plan-124---
Groton School General Retirement Plan-132---
20074136$0$0-
Groton School Welfare Plan-132---
Groton School Welfare Plan-123---
Groton School General Retirement Plan-136---
Groton School Defined Benefit Plan-69---
20064138$0$0-
Groton School General Retirement Plan-138---
Groton School Welfare Plan-126---
Groton School Welfare Plan-134---
Groton School Defined Benefit Plan-65---
20054131$0$0-
Groton School General Retirement Plan-130---
Groton School Welfare Plan-131---
Groton School Welfare Plan-122---
Groton School Defined Benefit Plan-66---
20043136$6,444,492$1,412,182$10,384iApproximate average salary by contribution assumption: employee only about $259,592 at 4% or $173,062 at 6%; with 50% employer match about $173,062 at 4% or $115,374 at 6%; with 100% employer match about $129,796 at 4% or $86,531 at 6%.
Groton School Defined Benefit Plan-58$6,444,492$1,412,182$24,348iApproximate average salary by contribution assumption: employee only about $608,699 at 4% or $405,799 at 6%; with 50% employer match about $405,799 at 4% or $270,533 at 6%; with 100% employer match about $304,350 at 4% or $202,900 at 6%.
Groton School General Retirement Plan-136---
Groton School Welfare Plan-135---
2003261$0$0-
Groton School Defined Benefit Plan-61---
Groton School General Retirement Plan-0---
2002261$0$0-
Groton School General Retirement Plan-0---
Groton School Defined Benefit Plan-61---
2001262$0$0-
Groton School General Retirement Plan-0---
Groton School Defined Benefit Plan-62---
2000257$0$0-
Groton School General Retirement Plan-0---
Groton School Defined Benefit Plan-57---
1999256$4,628,465$200,000$3,571iApproximate average salary by contribution assumption: employee only about $89,286 at 4% or $59,524 at 6%; with 50% employer match about $59,524 at 4% or $39,683 at 6%; with 100% employer match about $44,643 at 4% or $29,762 at 6%.
Groton School Defined Benefit Plan-56$4,628,465$200,000$3,571iApproximate average salary by contribution assumption: employee only about $89,286 at 4% or $59,524 at 6%; with 50% employer match about $59,524 at 4% or $39,683 at 6%; with 100% employer match about $44,643 at 4% or $29,762 at 6%.
Groton School General Retirement Plan-0---