Civic Intelligence

Columbia Grammar & Preparatory Scho School

Plan context: Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan

EIN 13-0590970 • 80 filings • 14 plans

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Current Snapshot

Latest Year

2025

2025 Participants

144

2025 Assets

$137,967,510

2025 Contributions

$6,445,242

Historical Graphs

Total Assets Over Time

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

$137,967,510$68,983,755$0200920172024YearValue
$137,967,510Latest year 2024

Participants Over Time

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

5532770200120152025YearValue
144Latest year 2025

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
20252144$0$0-
Insurance Plan of Columbia Grammar & Preparatory School-0---
Columbia Grammar & Preparatory School Section 125 Flexible Spending Plan-144---
20242549$137,967,510$6,445,242$11,740iApproximate average salary by contribution assumption: employee only about $293,499 at 4% or $195,666 at 6%; with 50% employer match about $195,666 at 4% or $130,444 at 6%; with 100% employer match about $146,750 at 4% or $97,833 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-415$137,967,510$6,445,242$15,531iApproximate average salary by contribution assumption: employee only about $388,268 at 4% or $258,845 at 6%; with 50% employer match about $258,845 at 4% or $172,563 at 6%; with 100% employer match about $194,134 at 4% or $129,423 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-549---
20233529$124,425,088$2,074,293$3,921iApproximate average salary by contribution assumption: employee only about $98,029 at 4% or $65,353 at 6%; with 50% employer match about $65,353 at 4% or $43,568 at 6%; with 100% employer match about $49,014 at 4% or $32,676 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-425$124,425,088$2,074,293$4,881iApproximate average salary by contribution assumption: employee only about $122,017 at 4% or $81,345 at 6%; with 50% employer match about $81,345 at 4% or $54,230 at 6%; with 100% employer match about $61,009 at 4% or $40,672 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-529---
Insurance Plan of Columbia Grammar & Preparatory School-313---
20223510$120,920,563$5,729,993$11,235iApproximate average salary by contribution assumption: employee only about $280,882 at 4% or $187,255 at 6%; with 50% employer match about $187,255 at 4% or $124,836 at 6%; with 100% employer match about $140,441 at 4% or $93,627 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-414$120,920,563$5,729,993$13,841iApproximate average salary by contribution assumption: employee only about $346,014 at 4% or $230,676 at 6%; with 50% employer match about $230,676 at 4% or $153,784 at 6%; with 100% employer match about $173,007 at 4% or $115,338 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-510---
Insurance Plan of Columbia Grammar & Preparatory School-299---
20213527$107,693,749$6,032,329$11,447iApproximate average salary by contribution assumption: employee only about $286,164 at 4% or $190,776 at 6%; with 50% employer match about $190,776 at 4% or $127,184 at 6%; with 100% employer match about $143,082 at 4% or $95,388 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-420$107,693,749$6,032,329$14,363iApproximate average salary by contribution assumption: employee only about $359,067 at 4% or $239,378 at 6%; with 50% employer match about $239,378 at 4% or $159,585 at 6%; with 100% employer match about $179,534 at 4% or $119,689 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-527---
Insurance Plan of Columbia Grammar & Preparatory School-306---
20203551$120,887,065$5,646,174$10,247iApproximate average salary by contribution assumption: employee only about $256,178 at 4% or $170,786 at 6%; with 50% employer match about $170,786 at 4% or $113,857 at 6%; with 100% employer match about $128,089 at 4% or $85,393 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-438$120,887,065$5,646,174$12,891iApproximate average salary by contribution assumption: employee only about $322,270 at 4% or $214,847 at 6%; with 50% employer match about $214,847 at 4% or $143,231 at 6%; with 100% employer match about $161,135 at 4% or $107,423 at 6%.
Insurance Plan of Columbia Grammar & Preparatory School-300---
Medical Plan of Columbia Grammar & Preparatory School-551---
20193537$95,597,529$6,254,708$11,648iApproximate average salary by contribution assumption: employee only about $291,188 at 4% or $194,125 at 6%; with 50% employer match about $194,125 at 4% or $129,417 at 6%; with 100% employer match about $145,594 at 4% or $97,063 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-438$95,597,529$6,254,708$14,280iApproximate average salary by contribution assumption: employee only about $357,004 at 4% or $238,003 at 6%; with 50% employer match about $238,003 at 4% or $158,668 at 6%; with 100% employer match about $178,502 at 4% or $119,001 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-537---
Insurance Plan of Columbia Grammar & Preparatory School-303---
20183533$92,018,338$5,324,742$9,990iApproximate average salary by contribution assumption: employee only about $249,753 at 4% or $166,502 at 6%; with 50% employer match about $166,502 at 4% or $111,002 at 6%; with 100% employer match about $124,877 at 4% or $83,251 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-461$92,018,338$5,324,742$11,550iApproximate average salary by contribution assumption: employee only about $288,760 at 4% or $192,507 at 6%; with 50% employer match about $192,507 at 4% or $128,338 at 6%; with 100% employer match about $144,380 at 4% or $96,253 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-533---
Insurance Plan of Columbia Grammar & Preparatory School-303---
20174553$83,785,280$5,077,818$9,182iApproximate average salary by contribution assumption: employee only about $229,558 at 4% or $153,039 at 6%; with 50% employer match about $153,039 at 4% or $102,026 at 6%; with 100% employer match about $114,779 at 4% or $76,519 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-448$83,785,280$3,771,366$8,418iApproximate average salary by contribution assumption: employee only about $210,456 at 4% or $140,304 at 6%; with 50% employer match about $140,304 at 4% or $93,536 at 6%; with 100% employer match about $105,228 at 4% or $70,152 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-0-$1,306,452-
Medical Plan of Columbia Grammar & Preparatory School-553---
Insurance Plan of Columbia Grammar & Preparatory School-303---
20164538$77,293,068$5,002,336$9,298iApproximate average salary by contribution assumption: employee only about $232,451 at 4% or $154,967 at 6%; with 50% employer match about $154,967 at 4% or $103,311 at 6%; with 100% employer match about $116,225 at 4% or $77,484 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-450$54,450,100$3,623,547$8,052iApproximate average salary by contribution assumption: employee only about $201,308 at 4% or $134,205 at 6%; with 50% employer match about $134,205 at 4% or $89,470 at 6%; with 100% employer match about $100,654 at 4% or $67,103 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-160$22,842,968$1,378,789$8,617iApproximate average salary by contribution assumption: employee only about $215,436 at 4% or $143,624 at 6%; with 50% employer match about $143,624 at 4% or $95,749 at 6%; with 100% employer match about $107,718 at 4% or $71,812 at 6%.
Insurance Plan of Columbia Grammar & Preparatory School-307---
Medical Plan of Columbia Grammar & Preparatory School-538---
20154538$65,875,462$4,623,523$8,594iApproximate average salary by contribution assumption: employee only about $214,848 at 4% or $143,232 at 6%; with 50% employer match about $143,232 at 4% or $95,488 at 6%; with 100% employer match about $107,424 at 4% or $71,616 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-449$46,047,885$3,381,094$7,530iApproximate average salary by contribution assumption: employee only about $188,257 at 4% or $125,505 at 6%; with 50% employer match about $125,505 at 4% or $83,670 at 6%; with 100% employer match about $94,128 at 4% or $62,752 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-155$19,827,577$1,242,429$8,016iApproximate average salary by contribution assumption: employee only about $200,392 at 4% or $133,595 at 6%; with 50% employer match about $133,595 at 4% or $89,063 at 6%; with 100% employer match about $100,196 at 4% or $66,797 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-538---
Insurance Plan of Columbia Grammar & Preparatory School-297---
20144521$61,922,606$4,707,057$9,035iApproximate average salary by contribution assumption: employee only about $225,866 at 4% or $150,578 at 6%; with 50% employer match about $150,578 at 4% or $100,385 at 6%; with 100% employer match about $112,933 at 4% or $75,289 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-426$43,305,859$3,270,314$7,677iApproximate average salary by contribution assumption: employee only about $191,920 at 4% or $127,947 at 6%; with 50% employer match about $127,947 at 4% or $85,298 at 6%; with 100% employer match about $95,960 at 4% or $63,973 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-140$18,616,747$1,436,743$10,262iApproximate average salary by contribution assumption: employee only about $256,561 at 4% or $171,041 at 6%; with 50% employer match about $171,041 at 4% or $114,027 at 6%; with 100% employer match about $128,281 at 4% or $85,520 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-521---
Insurance Plan of Columbia Grammar & Preparatory School-297---
20134531$56,331,108$4,241,996$7,989iApproximate average salary by contribution assumption: employee only about $199,717 at 4% or $133,145 at 6%; with 50% employer match about $133,145 at 4% or $88,763 at 6%; with 100% employer match about $99,859 at 4% or $66,572 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-423$39,390,512$3,102,965$7,336iApproximate average salary by contribution assumption: employee only about $183,390 at 4% or $122,260 at 6%; with 50% employer match about $122,260 at 4% or $81,507 at 6%; with 100% employer match about $91,695 at 4% or $61,130 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-136$16,940,596$1,139,031$8,375iApproximate average salary by contribution assumption: employee only about $209,381 at 4% or $139,587 at 6%; with 50% employer match about $139,587 at 4% or $93,058 at 6%; with 100% employer match about $104,690 at 4% or $69,794 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-531---
Insurance Plan of Columbia Grammar & Preparatory School-290---
20124504$46,839,769$4,021,454$7,979iApproximate average salary by contribution assumption: employee only about $199,477 at 4% or $132,985 at 6%; with 50% employer match about $132,985 at 4% or $88,656 at 6%; with 100% employer match about $99,738 at 4% or $66,492 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-427$32,582,121$3,047,096$7,136iApproximate average salary by contribution assumption: employee only about $178,401 at 4% or $118,934 at 6%; with 50% employer match about $118,934 at 4% or $79,290 at 6%; with 100% employer match about $89,201 at 4% or $59,467 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-141$14,257,648$974,358$6,910iApproximate average salary by contribution assumption: employee only about $172,759 at 4% or $115,172 at 6%; with 50% employer match about $115,172 at 4% or $76,782 at 6%; with 100% employer match about $86,379 at 4% or $57,586 at 6%.
Insurance Plan of Columbia Grammar & Preparatory School-279---
Medical Plan of Columbia Grammar & Preparatory School-504---
20114482$39,404,931$3,850,755$7,989iApproximate average salary by contribution assumption: employee only about $199,728 at 4% or $133,152 at 6%; with 50% employer match about $133,152 at 4% or $88,768 at 6%; with 100% employer match about $99,864 at 4% or $66,576 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-406$27,001,273$2,857,735$7,039iApproximate average salary by contribution assumption: employee only about $175,969 at 4% or $117,313 at 6%; with 50% employer match about $117,313 at 4% or $78,208 at 6%; with 100% employer match about $87,984 at 4% or $58,656 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-129$12,403,658$993,020$7,698iApproximate average salary by contribution assumption: employee only about $192,446 at 4% or $128,297 at 6%; with 50% employer match about $128,297 at 4% or $85,531 at 6%; with 100% employer match about $96,223 at 4% or $64,149 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-482---
Insurance Plan of Columbia Grammar & Preparatory School-269---
20104445$35,175,173$3,535,130$7,944iApproximate average salary by contribution assumption: employee only about $198,603 at 4% or $132,402 at 6%; with 50% employer match about $132,402 at 4% or $88,268 at 6%; with 100% employer match about $99,301 at 4% or $66,201 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-396$23,887,398$2,684,287$6,779iApproximate average salary by contribution assumption: employee only about $169,463 at 4% or $112,975 at 6%; with 50% employer match about $112,975 at 4% or $75,317 at 6%; with 100% employer match about $84,731 at 4% or $56,488 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-125$11,287,775$850,843$6,807iApproximate average salary by contribution assumption: employee only about $170,169 at 4% or $113,446 at 6%; with 50% employer match about $113,446 at 4% or $75,630 at 6%; with 100% employer match about $85,084 at 4% or $56,723 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-445---
Insurance Plan of Columbia Grammar & Preparatory School-263---
20093420$27,806,898$3,470,619$8,263iApproximate average salary by contribution assumption: employee only about $206,584 at 4% or $137,723 at 6%; with 50% employer match about $137,723 at 4% or $91,815 at 6%; with 100% employer match about $103,292 at 4% or $68,861 at 6%.
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-387$18,339,807$2,618,982$6,767iApproximate average salary by contribution assumption: employee only about $169,185 at 4% or $112,790 at 6%; with 50% employer match about $112,790 at 4% or $75,193 at 6%; with 100% employer match about $84,592 at 4% or $56,395 at 6%.
Columbia Grammar and Preparatory School 403(B) Tda Plan-116$9,467,091$851,637$7,342iApproximate average salary by contribution assumption: employee only about $183,542 at 4% or $122,362 at 6%; with 50% employer match about $122,362 at 4% or $81,574 at 6%; with 100% employer match about $91,771 at 4% or $61,181 at 6%.
Medical Plan of Columbia Grammar & Preparatory School-420---
200820$0$0-
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
Medical Plan of Columbia Grammar & Preparatory School-0---
200720$0$0-
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
Medical Plan of Columbia Grammar & Preparatory School-0---
200620$0$0-
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-0---
Medical Plan of Columbia Grammar & Preparatory School-0---
20053325$0$0-
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
Medical Plan of Columbia Grammar & Preparatory School-325---
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-0---
20043324$0$0-
Medical Plan of Columbia Grammar & Preparatory School-324---
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-0---
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
20033311$0$0-
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-0---
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
Medical Plan of Columbia Grammar & Preparatory School-311---
200220$0$0-
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-0---
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
20014279$0$0-
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-0---
Insurance Plan of Columbia Grammar & Preparatory School-156---
Medical Plan of Columbia Grammar & Preparatory School-279---
200020$0$0-
Columbia Grammar and Preparatory School 403(B) Tda Plan-0---
Columbia Grammar and Preparatory School 403(B) Defined Contribution Plan-0---