Nonprofit · EIN 06-0860469
TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC
Tax-exempt · AVON, CT 06001
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990 | $2,010,319 | $2,647,364 | -$637,045 | $1,409,476 | $2,525,767 | -$1,116,291 |
| August 31, 2024 | 990 | $2,415,497 | $2,776,592 | -$361,095 | $1,099,884 | $1,579,130 | -$479,246 |
| August 31, 2023 | 990 | $2,237,642 | $2,314,170 | -$76,528 | $7,329,050 | $1,685,417 | $5,643,633 |
Financial details: 990 for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $620,063
- of which government grants
- $302,402
- Program service revenue
- $1,202,120
- Investment income
- $15,561
- Net rental income
- $84,491
- Other revenue
- $172,575
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $141,509
- Other salaries and wages
- $1,424,916
- Salaries, compensation and benefits (total)
- $1,753,216
- Professional fundraising fees
- $0
- Accounting fees
- $29,995
- Occupancy
- $254,671
- Travel
- $2,518
- Depreciation
- $57,139
- Program services (functional)
- $2,246,800
- Management and general (functional)
- $371,385
- Fundraising (functional)
- $29,179
Balance sheet and other
- Total assets, start of year
- $1,099,884
- Total assets, end of year
- $1,409,476
- Total liabilities, end of year
- $2,525,767
- Net assets, end of year
- -$1,116,291
- Land, buildings and equipment
- $363,829
- Net assets without donor restrictions
- -$1,362,477
- Net assets with donor restrictions
- $246,186
- Gross unrelated business income
- $32,505
- Gross receipts
- $2,023,343
- Employees
- 69
- Volunteers
- 35
- Year formed
- 1970
- State of legal domicile
- CT
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JEFF MARTIN | EXECUTIVE DI Officer | 40 | $142,042 |
| RHONDA BIRD | CHAIR Trustee or director, Officer | 5 | $0 |
| CAROLYN VANNEWKIRK HOFFMAN | VICE CHAIR Trustee or director, Officer | 3 | $0 |
| ARNOLD CHASE | TREASURER Trustee or director, Officer | 2 | $0 |
| FRANCIS HURSEY | SECRETARY Trustee or director, Officer | 0.5 | $0 |
| RICHARD LEIBERT | TRUSTEE Trustee or director | 0.5 | $0 |
| STEPHEN FANTONE PHD | TRUSTEE Trustee or director | 0.5 | $0 |
| ASHLEY CARPENTER | TRUSTEE Trustee or director | 0.5 | $0 |
| BROOKE GOFF | TRUSTEE Trustee or director | 0.5 | $0 |
| HELENE RAMIREZ GUERRA | TRUSTEE Trustee or director | 0.5 | $0 |
| JOYA HARIHARAN | TRUSTEE Trustee or director | 0.5 | $0 |
| REINHARD KAGE PHD | TRUSTEE Trustee or director | 0.5 | $0 |
| KENNETH LAROCQUE | TRUSTEE Trustee or director | 0.5 | $0 |
| THOMAS RECHEN ESQ | TRUSTEE Trustee or director | 0.5 | $0 |
990 for the year ended August 31, 2024: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JEFF MARTIN | EXECUTIVE DI Officer | 40 | $155,000 |
| RHONDA BIRD | CHAIR Trustee or director, Officer | 5 | $0 |
| CAROLYN VANNEWKIRK HOFFMAN | VICE CHAIR Trustee or director | 3 | $0 |
| RICHARD LEIBERT | TREASURER Trustee or director, Officer | 0.5 | $0 |
| FRANCIS HURSEY | SECRETARY Trustee or director, Officer | 0.5 | $0 |
| ARNOLD CHASE | TRUSTEE Trustee or director | 0.5 | $0 |
| STEPHEN FANTONE PHD | TRUSTEE Trustee or director | 0.5 | $0 |
| JON FITZGERALD | TRUSTEE Trustee or director | 0.5 | $0 |
| DR ERIC FOSSUM | TRUSTEE Trustee or director | 0.5 | $0 |
| HELENE RAMIREZ GUERRA | TRUSTEE Trustee or director | 0.5 | $0 |
| JOYA HARIHARAN | TRUSTEE Trustee or director | 0.5 | $0 |
| REINHARD KAGE PHD | TRUSTEE Trustee or director | 0.5 | $0 |
| KENNETH LAROCQUE | TRUSTEE Trustee or director | 0.5 | $0 |
| THOMAS RECHEN ESQ | TRUSTEE Trustee or director, Officer | 0.5 | $0 |
990 for the year ended August 31, 2023: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JEFF MARTIN | EXECUTIVE DI Officer | 40 | $130,000 |
| RHONDA BIRD | CHAIR Trustee or director, Officer | 5 | $0 |
| CAROLYN VANNEWKIRK HOFFMAN | VICE CHAIR Trustee or director | 3 | $0 |
| ARNOLD CHASE | TREASURER Trustee or director, Officer | 0.5 | $0 |
| FRANCIS HURSEY | SECRETARY Trustee or director, Officer | 0.5 | $0 |
| CHRISTINE ANDREWS | TRUSTEE Trustee or director | 0.5 | $0 |
| DR HARRY BLAISE | TRUSTEE Trustee or director | 0.5 | $0 |
| STEPHEN FANTONE | TRUSTEE Trustee or director | 0.5 | $0 |
| JON FITZGERALD | TRUSTEE Trustee or director | 0.5 | $0 |
| DR ERIC FOSSUM | TRUSTEE Trustee or director | 0.5 | $0 |
| HELENE RAMIREZ GUERRA | TRUSTEE Trustee or director | 0.5 | $0 |
| ALICIA HAYTER | TRUSTEE Trustee or director | 0.5 | $0 |
| JOYA HARIHARAN | TRUSTEE Trustee or director | 0.5 | $0 |
| REINHARD KAGE | TRUSTEE Trustee or director | 0.5 | $0 |
| KENNETH LAROCQUE | TRUSTEE Trustee or director | 0.5 | $0 |
| THOMAS RECHEN ESQ | TRUSTEE Trustee or director, Officer | 0.5 | $0 |
| WILLIAM DON WILSON | TRUSTEE Trustee or director | 0.5 | $0 |
Address and contacts
- Address (IRS master file)
- 324 MONTEVIDEO RD, AVON, CT 06001-3946
- Principal officer (990 for 2024)
- JEFF MARTIN, 324 MONTEVIDEO ROAD, AVON, CT 06001
- Signed the 990
- JEFF MARTIN, EXECUTIVE DIRECTOR
- Phone
- (860) 677-8571
- Website
- WWW.TMSC.ORG
- Return prepared by
- BUDWITZ & MEYERJACK PC
Mission
INSPIRING TODAY'S CHILDREN TO INVENT TOMORROW.
Program accomplishments
- THE TALCOTT MOUNTAIN SCIENCE CENTER PROVIDES STEM EDUCATION THROUGH OUTREACH PROGRAMS TO PUBLIC SCHOOLS ACROSS CONNECTICUT, PROFESSIONAL DEVELOPMENT FOR EDUCATORS, AND WEEKEND, VACATION, AND SUMMER PROGRAMS SERVING STUDENTS IN GRADES K-12. THE SCIENCE CENTER WORKS CLOSELY WITH THE CONNECTICUT STATE DEPARTMENT OF EDUCATION AND PARTNERS WITH SCIENCE-RICH INSTITUTIONS THROUGHOUT THE STATE. IT IS A MEMBER OF THE CONNECTICUT SCIENCE SUPERVISORS ASSOCIATION, THE CONNECTICUT SCIENCE TEACHERS ASSOCIATION, AND THE EARTH SCIENCE TEACHERS ASSOCIATION, AND IS A NATIONAL GLOBE PARTNER.Expenses $961,293 · revenue $403,623
- TALCOTT MOUNTAIN ACADEMY IS A PRIVATE INDEPENDENT DAY SCHOOL SERVING GIFTED AND TALENTED STUDENTS IN GRADES K-8 AND REPRESENTS THE CENTER'S PRIMARY SOURCE OF OPERATING REVENUE THROUGH TUITION AND RELATED FEES. SINCE 1983, TMA HAS OFFERED AN INTEGRATED CURRICULUM EMPHASIZING SCIENCE, MATH, AND STEM WHILE UNIQUELY INCORPORATING LIBERAL AND FINE ARTS. THE DIVERSE STUDENT BODY IS RACIALLY AND CULTURALLY MIXED WITH A STUDENT-TO-TEACHER RATIO OF LESS THAN 8:1, PREPARING INTELLECTUALLY ENGAGED YOUNG PEOPLE FOR A FULL AND PRODUCTIVE LIFE IN A TECHNOLOGICALLY ORIENTED WORLD.Expenses $1,285,507 · revenue $798,497
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990 on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990 on file |
IRS record
- EIN
- 06-0860469
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1970
- Accounting year ends
- August
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U20Z)
- Assets (IRS master file)
- $1,409,476
- Income (IRS master file)
- $2,023,343
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | August 2025 | $2,010,319 | $2,647,364 | $1,409,476 | XML |
| 990-T | August 2025 | – | – | – | IRS |
| 990 | August 2024 | $2,415,497 | $2,776,592 | $1,099,884 | XML |
| 990-T | August 2024 | – | – | – | IRS |
| 990 | August 2023 | $2,237,642 | $2,314,170 | $7,329,050 | XML |
| 990-T | August 2023 | – | – | – | IRS |
| 990 | August 2022 | $2,346,968 | $2,086,649 | $7,155,573 | IRS |
| 990-T | August 2022 | – | – | – | IRS |
| 990 | August 2021 | – | – | – | IRS |
| 990-T | August 2021 | – | – | – | IRS |
| 990 | August 2020 | – | – | – | IRS |
| 990 | August 2019 | – | – | – | IRS |
| 990 | August 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 06-0860469).
Questions about TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC
- What is the EIN of TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC?
- The employer identification number (EIN) of TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC is 06-0860469.
- Is TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1970.
- Are donations to TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended August 2025.
- Who is the principal officer of TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC?
- The 990 for the year ended August 31, 2025 names JEFF MARTIN.
- Who are the officers and directors of TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC?
- The 990 for the year ended August 31, 2025 lists 14 people; 1 received compensation from the organization, the highest $142,042 (JEFF MARTIN, EXECUTIVE DI).
- How much revenue does TALCOTT MOUNTAIN SCIENCE CENTER FOR STUDENT INVOLVEMENT INC have?
- On its 990 for the year ended August 31, 2025 it reported revenue of $2,010,319, expenses of $2,647,364 and total assets of $1,409,476 at year end.
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