Nonprofit · EIN 88-0604462
SOUTH SHORE CHARTER SCHOOL
Tax-exempt · CENTRAL ISLIP, NY 11722
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $5,928,897 | $5,244,621 | $684,276 | $2,299,970 | $1,603,185 | $696,785 |
| June 30, 2024 | 990 | $3,725,221 | $3,722,392 | $2,829 | $2,019,104 | $2,006,595 | $12,509 |
| June 30, 2023 | 990 | $1,003,886 | $981,752 | $22,134 | $663,018 | $653,338 | $9,680 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $730,324
- of which government grants
- $452,824
- Program service revenue
- $5,155,438
- Investment income
- $0
- Other revenue
- $43,135
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $376,898
- Other salaries and wages
- $2,444,541
- Salaries, compensation and benefits (total)
- $3,294,097
- Professional fundraising fees
- $0
- Legal fees
- $13,809
- Accounting fees
- $27,981
- Occupancy
- $390,680
- Travel
- $102
- Depreciation
- $123,203
- Program services (functional)
- $4,217,018
- Management and general (functional)
- $1,027,603
Balance sheet and other
- Total assets, start of year
- $2,019,104
- Total assets, end of year
- $2,299,970
- Total liabilities, end of year
- $1,603,185
- Net assets, end of year
- $696,785
- Land, buildings and equipment
- $382,216
- Net assets without donor restrictions
- $694,340
- Net assets with donor restrictions
- $2,445
- Gross receipts
- $5,928,897
- Employees
- 41
- Volunteers
- 9
- Year formed
- 2022
- State of legal domicile
- NY
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DERMOTH MATTISON | EXECUTIVE DIRECTOR Officer | 40 | $192,192 | $25,790 |
| ARSENIO HESLOP | PRINCIPAL Highest-paid employee | 40 | $130,825 | $24,417 |
| RYAN MILLER | DIRECTOR OF OPS & FINANCE Officer | 40 | $120,271 | $17,885 |
| ANASTASIA WAGNER | DIRECTOR OF INSTRUCTION Highest-paid employee | 40 | $107,046 | $11,197 |
| KEITH BROWN | BOARD CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| KANIKA MOBLEY | BOARD SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| KARLENE COWAN | BOARD TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| ADEL HAGEB | BOARD TREASURER THRU 08/2024 Trustee or director, Officer | 2 | $0 | $0 |
| MARGARET BANKS | TRUSTEE THRU 04/2025 Trustee or director | 2 | $0 | $0 |
| ARTURO CUCHILLAS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHELLE HAYNES | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MIGUEL GARRICK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KEVIN WARREN | TRUSTEE Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2024: 10 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DERMOTH MATTISON | EXECUTIVE DIRECTOR Officer | 40 | $123,995 | $16,330 |
| RYAN MILLER | DIRECTOR OF OPERATION & FINANCE Officer | 40 | $77,206 | $11,623 |
| KEITH BROWN | BOARD CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| KANIKA MOBLEY | BOARD SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| ADEL HAGEB | BOARD TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| MARGARET BANKS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KARLENE COWAN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ARTURO CUCHILLAS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHELLE HAYNES | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KEVIN WARREN | TRUSTEE Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 11 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| DERMOTH MATTISON | EXECUTIVE DIRECTOR Officer | 40 | $158,654 | $12,393 |
| RYAN MILLER | DIRECTOR OF OPS & FINANCE Officer | 40 | $24,150 | $0 |
| KEITH BROWN | BOARD CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| NICOLE BRAZEY | VICE CHAIR (THRU JAN 2023) Trustee or director, Officer | 2 | $0 | $0 |
| KANIKA MOBLEY | BOARD SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| ADEL HAGEB | BOARD TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| MARGARET BANKS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KARLENE COWAN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| ARTURO CUCHILLAS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHELLE HAYNES | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KEVIN WARREN | TRUSTEE Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 82 CARLETON AVE, CENTRAL ISLIP, NY 11722-3016
- In care of
- % DERMOTH MATTISON
- Principal officer (990 for 2024)
- DERMOTH MATTISON, 82 CARLETON AVE, CENTRAL ISLIP, NY 11722
- Signed the 990
- DERMOTH MATTISON, EXECUTIVE DIRECTOR
- Phone
- (631) 864-7000
- Website
- SOUTHSHORECHARTERSCHOOL.ORG
- Return prepared by
- PKF O'CONNOR DAVIES ADVISORY LLC
Mission
THE MISSION OF SOUTH SHORE CHARTER SCHOOL IS TO CULTIVATE STUDENTS THE TENACITY, INTEGRITY, AND CURIOSITY NEEDED TO BECOME INNOVATIVE AND SOCIALLY RESPONSIBLE LEADERS, READY TO FACE AND SOLVE THE EVER-CHANGING CHALLENGES FACING OUR SOCIETY.ACADEMICALLY, SOUTH SHORE CHARTER SCHOOL WILL BALANCE CONSTRUCTIVIST APPROACHES THAT PROMOTE HIGHER-LEVEL THINKING AND COLLABORATIVE LEARNING WITH STANDARDS-BASED INSTRUCTION AND ASSESSMENTS THAT PROVIDE SPECIFIC LEARNING TARGETS AND ENSURE GREATER ACCOUNTABILITY. WHILE THE SCHOOL HONORS THE STRUCTURE AND RIGOR THAT IS DEFINED BY THE LEARNING STANDARDS, THE SCHOOL BELIEVES THAT A CONSTRUCTIVIST APPROACH ALLOWS FOR FLEXIBILITY IN A CHILD'S LEARNING AND ALIGNS TO OUR MISSION OF FOSTERING CURIOSITY IN OUR STUDENTS.
Program accomplishments
- SOUTH SHORE CHARTER SCHOOL IS A K-5 SCHOOL FOR EXCELLENCE. THE SCHOOL OFFERS A HIGH-QUALITY EDUCATION TO SERVE THE NEEDS OF ALL STUDENTS, INCLUDES ENGLISH LANGUAGE LEARNERS, STUDENTS WITH DISABILITIES, GIFTED AND TALENTED, AND ECONOMICALLY DISADVANTAGED STUDENTS. THE SCHOOL OFFERS A STRONG CHARACTER EDUCATION PROGRAM, A SOCIAL EMOTIONAL CURRICULUM AND A COMPELLING MISSION AND PROMISE TO FAMILIES THAT THE SCHOOL WILL NOT ONLY HELP THEIR CHILDREN MAKE BETTER ACADEMIC GAINS, BUT WE WILL GIVE THEM THE SUPPORTS AND TOOLS TO BECOME INNOVATIVE AND SOCIALLY RESPONSIBLE LEADERS WHO ARE READY TO FACE AND SOLVE THE EVER-CHANGING CHALLENGES FACING OUR SOCIETY.THE SCHOOL PROVIDED EDUCATION TO APPROXIMATELY 256 STUDENTS IN KINDERGARTEN THROUGH SECOND GRADE IN THE 2024-2025 ACADEMIC YEAR.Expenses $4,217,018 · revenue $5,155,438
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 88-0604462
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- School
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2022
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B24)
- Assets (IRS master file)
- $2,299,970
- Income (IRS master file)
- $5,928,897
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $5,928,897 | $5,244,621 | $2,299,970 | IRS |
| 990 | June 2024 | $3,725,221 | $3,722,392 | $2,019,104 | XML |
| 990 | June 2023 | $1,003,886 | $981,752 | $663,018 | XML |
| 990 | June 2022 | $243,400 | $255,854 | $332,860 | 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 88-0604462).
Questions about SOUTH SHORE CHARTER SCHOOL
- What is the EIN of SOUTH SHORE CHARTER SCHOOL?
- The employer identification number (EIN) of SOUTH SHORE CHARTER SCHOOL is 88-0604462.
- Is SOUTH SHORE CHARTER SCHOOL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
- Are donations to SOUTH SHORE CHARTER SCHOOL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOUTH SHORE CHARTER SCHOOL 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 SOUTH SHORE CHARTER SCHOOL due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SOUTH SHORE CHARTER SCHOOL last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of SOUTH SHORE CHARTER SCHOOL?
- The 990 for the year ended June 30, 2025 names DERMOTH MATTISON.
- Who are the officers and directors of SOUTH SHORE CHARTER SCHOOL?
- The 990 for the year ended June 30, 2025 lists 13 people; 4 received compensation from the organization, the highest $192,192 (DERMOTH MATTISON, EXECUTIVE DIRECTOR).
- How much revenue does SOUTH SHORE CHARTER SCHOOL have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $5,928,897, expenses of $5,244,621 and total assets of $2,299,970 at year end.
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- NEW YORK TUSKEGEE ALUMNI ASSOCIATION EIN 88-0835741 · last filed 990-N for 2024
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