named programs · 3 · from sources
What they call their work
Dual-Language Immersion Program
Core academic instruction delivered in either German-English or Spanish-English bilingual model for students from preschool through 8th grade.
Financial Aid Program
Provides need-based financial aid to families applying for Kindergarten and above to support socioeconomic diversity and access.
Global Community Committee
Engages families and staff in ongoing learning and events around diversity, equity, and inclusion to strengthen community belonging.
activities · 8 groups
What they do
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Structured Critical Thinking Curriculum 1 activity
- Deliver inquiry-based and culturally responsive curriculumImplements an integrated academic model that combines inquiry-driven learning, social-emotional development, and bilingual education. The curriculum emphasizes global issues, access to diverse texts reflecting student identities, and cultural exchange through instruction by native-speaking teachers in German, Spanish, and English.
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Student-Led Community Service Programs 1 activity
- Facilitate student and family volunteer activitiesEngages students and families in volunteer activities to support local neighbors in need, integrating service learning into the school experience.
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School and School-Community Events 1 activity
- Host community and cultural engagement eventsOrganizes and participates in community-building events such as cultural festivals (e.g., Lunar New Year, Iranian New Year), family picnics, bilingual book fairs, cultural performances, and parent activities like a soccer league to strengthen family and community engagement.
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Admissions Outreach and Enrollment Support 1 activity
- Manage admissions and outreach through in-person tours and digital platformsConducts in-person tours featuring classroom visits and teacher interactions to demonstrate its bilingual, inquiry-based model, and uses the FACTS platform to manage event registration, applications, and admissions decisions.
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Comprehensive K–8 Academic Curriculum 1 activity
- Operate bilingual immersion school for preschool through 8th gradeProvides a dual-language educational program in German-English and Spanish-English for students from preschool through 8th grade, using Montessori methods in early grades and an inquiry-based curriculum aligned with the International Baccalaureate Middle Years Programme (IB MYP) in middle school. The school launched a Spanish-English immersion program starting with preschool in September 2025.
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Financial Aid and Scholarship Access Programs 1 activity
- Provide financial aid and equitable access to educationOffers financial aid to applicants in Kindergarten and above to increase access for diverse families and admits students without discrimination based on race, color, national or ethnic origin, ensuring equal access to all programs and activities.
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College Preparatory Secondary Education 1 activity
- Pursue International Baccalaureate Middle Years Programme authorizationOperates as a candidate school working toward full authorization for the International Baccalaureate Middle Years Programme (IB MYP), integrating its standards into the middle school curriculum.
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Family-School Engagement Programs 1 activity
- Support school community engagement and fundraisingFacilitates communication between families and the school and supports school activities, fundraising, and volunteerism through parent involvement to strengthen community engagement.
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financials · form 990 · fy2024
revenue
Total revenue$5.42M
Contributions & grants$313K6%
Program service revenue$5.01M92%
Investment income$710%
Other revenue$98K
expenses
Total expenses$8.82M
Program expenses86%
Admin / overhead13%
Fundraising1%
Salaries & benefits$3.02M
Grants paid out$0
Largest expense lineCompensation
balance sheet
Total assets$37.76M
Cash$2.38M
Investments$0
Liabilities$48.12M
Net assets$-10.36M
Liquid reserves3.2 mo
6 years on record · 2019–2024 · YoY revenue +1.2%
leadership · form 990 part vii · fy2024
Who runs it
paid leadership · 3
| Name | Title | Hours/wk | Compensation |
|---|---|---|---|
| MELISSA M BOURGEOIS | DEPUTY HEAD OF SCHOOL | 40 | $157K |
| SONJA EINOEDTER | SENIOR DIRECTOR OF OPERATIONS | 40 | $116K |
| RAPHAEL HILLISCH | HEAD OF SCHOOL | 40 | $90K |
board members · 10
- DEONCA RENEE — TRUSTEE
- JAN BORNEBUSCH — CO-PRESIDENT
- JULIA SOMMER — SECRETARY
- KATHRIN DI PAOLA — TRUSTEE - RESIGNED 6/25
- OLIVER PLATZ — TRUSTEE
- SEBASTIAN BAUER — TRUSTEE
- STEPHEN SCHULZ — TRUSTEE
- TIMOTHY B ARMSTRONG — CO-PRESIDENT, TREASURER
- TIZIANA HAUG — TRUSTEE
- WING YAN LOK — TRUSTEE - RESIGNED 6/25
relationships · 17
Who they work with
- BAM Partner — Collaborates with BAM on joint programming for students and families, including cultural events.
- Downtown Early Childhood Association Partner — Board member runs the Downtown Early Childhood Association, suggesting a formal link between the individual’s leadership role and early childhood education networks in NYC.
- FACTS Partner — Hosts GSB's online admissions forms and application system.
- FACTS Partner — Partner organization used for admissions inquiries and information management.
- FACTS Partner — Uses the FACTS platform to manage admissions, including tour registration, applications, and decision communications.
- Forbes Partner — Cited as a source supporting the importance of a global mindset for career success.
- Google Partner — Board member works in-house at Google, connecting the individual’s professional experience in economic consulting to the school’s governance.
- Grace Church School Partner — Board member previously served as Director of Admissions and Enrollment at Grace Church School, indicating ongoing professional connections in NYC independent education.
- Harvard Business Review Partner — Cited as a source on the value of leading diverse global teams in international business.
- ISAAGNY Network — GSB board member serves as Trustee and Treasurer of the Independent Schools Admissions Association of Greater New York, indicating formal affiliation or collaboration.
- International Baccalaureate Network — GSB is an IB MYP candidate school, aligning with the International Baccalaureate Middle Years Programme framework.
- International Baccalaureate Organization Network — Candidate school pursuing authorization as an IB World School for the Middle Years Programme.
- Léman Manhattan Preparatory School Partner — Board member serves as Head of Admissions and Enrollment Management at Léman Manhattan Preparatory School, indicating professional ties to another independent school.
- McKinsey & Company Partner — Cited as a source emphasizing the importance of soft skills for cultural understanding in global workplaces.
- Parent Association (PA) Partner — Collaborates with the school to organize parent engagement and community-building activities.
- Simons Foundation Autism Research Initiative Partner — Board member is employed at the Simons Foundation Autism Research Initiative, linking the individual’s professional expertise to the school’s governance.
- Society for Human Resource Management (SHRM) Partner — Cited as an organization recognizing the need for cultural agility in the workplace.
strategies · 3
How they approach the work
Named approaches extracted from this org’s sources. Where others share an approach, follow it to see the full set of orgs running it.
- Equity-Integrated Curriculum to Empower Student Agencymethodology: culturally_responsive_equity_educationBy embedding diversity, equity, and inclusion into the curriculum and tailoring instruction to student needs, students develop critical consciousness and identity affirmation, because examining systemic advantages and disadvantages enables them to see themselves as agents of change in a global context.
- Inquiry-Based Learning to Drive Active Knowledge Constructionmethodology: inquiry-based_learningBy structuring learning around student-led questioning and exploration, students develop intellectual curiosity and critical thinking, because inquiry fosters deeper engagement and transforms knowledge acquisition from passive reception to active discovery.
- Language Immersion as a Foundation for Intercultural Fluencymethodology: language-immersion-for-intercultural-fluencyBy teaching academic content through a second language and integrating cultural education, students develop deeper intercultural understanding and cognitive flexibility, because language learning in context fosters empathy, communication nuance, and the ability to navigate diverse worldviews.