2026-03-10T12:23:18+00:00 2025-06-30 440160260 Forvis Mazars LLP 1330 Boylston Street Chestnut Hill MA 024672145 990 2024-07-01 043486659 German International School Boston Inc GERM 6177832600 57 Holton Street Boston MA 02134 TILMAN KISPERSKY CHAIR/PRESIDENT 6177832600 2026-03-10 true true Lauren Denton P01571860 6177311222 2026-03-10 2024 2025-03-06 01:10:19Z TILMAN KISPERSKY 57 Holton Street Boston MA 02134 14222400 false X WWW.GISBOS.ORG X 1999 MA EDUCATION FROM PRE-SCHOOL THROUGH GRADE 12 PROVIDING THE LANGUAGE AND CULTURE OF GERMANY 7 2 121 12 0 1899254 3080066 10270541 10320485 382181 237390 0 12551976 13637941 936429 846311 0 8011376 8088168 48900 12500 63701 4011225 3802838 13007930 12749817 -455954 888124 28509585 28893200 22465274 21729317 6044311 7163883 GERMAN INTERNATIONAL SCHOOL BOSTON IS A BILINGUAL INDEPENDENT SCHOOL SERVING STUDENTS FROM PRESCHOOL TO GRADE 12. WE OFFER A BILINGUAL EDUCATION WITH AN INTERNATIONALLY ACCLAIMED GERMAN CURRICULUM. AS A GLOBAL COMMUNITY, WE STRIVE TO INSTILL A LOVE OF LEARNING AND A SENSE OF RESPONSIBILITY TO PREPARE STUDENTS FOR SHAPING OUR COMMON FUTURE. false false 10505465 846311 10320485 THE SCHOOL PROVIDES A GERMAN EDUCATION FOR STUDENTS IN GRADES PRESCHOOL THROUGH GRADE 12. IN FISCAL 2025 THE SCHOOL SERVED 295 STUDENTS. 10505465 true true false false false false false false false false true true false true true false true false true false true false false false false false false false true true false false false false false false true false false false false false false false false false false false false false true X 64 0 true 121 true false true GM false false false false false false false false false false X 7 2 false false false false true true true true true false false false true true true true true true true true false false MA X PAULA SPENCER 6177832600 57 HOLTON STREET Boston MA 02134 Roos Karssemeijer TREASURER (FROM 11/24) 4.0 0.0 X X 0 0 0 TILMAN KISPERSKY CHAIR/PRESIDENT 8.0 0.0 X X 0 0 0 TORIN KOESTER TREASURER (THRU 11/24) 4.0 0.0 X X 0 0 0 ULRIKE BAGEHORN VICE CHAIR/PRESIDENT AND SECRETARY 4.0 0.0 X X 0 0 0 ALEXANDRA GROSS TRUSTEE 8.0 0.0 X 0 0 0 DANIELLE KELLERMANN TRUSTEE 4.0 0.0 X 0 0 0 ELIZABETH MELLYN TRUSTEE (THRU 11/24) 4.0 0.0 X 0 0 0 Gaurav Gaiha Trustee (FROM 11/24) 4.0 0.0 X 0 0 0 Jan Tajo Fittkau Trustee (FROM 11/24) 4.0 0.0 X 0 0 0 ROY GOLDSCHMITT TRUSTEE (THRU 11/24) 4.0 0.0 X 0 0 0 BETTINA NANCY HAARBUSCH HEAD OF ADMINISTRATION 40.0 0.0 X 158940 0 10092 FUNDA SUZAN Acting Head of School 40.0 0.0 X 122540 0 13156 PAULA SPENCER DIRECTOR OF FINANCE 40.0 0.0 X 137460 0 7176 ANKE ROOST HEAD OF EARLY EDUCATION 40.0 0.0 X 119469 0 16852 538409 0 47276 4 false true false Behnisch Architekten 125 Kingston Street Floor 2 Boston MA 02111 DESIGN AND CONSTRUCTION 217703 Timberline Construction Corp 300 Pine Street Canton MA 02021 CONSTRUCTION 119389 2 2975811 104255 5072 3080066 TUITION & FEES 611600 8752398 8752398 CO-CURRICULAR PROGRAMS 611710 1556132 1556132 OTHER FEES 611170 6641 6641 LATE FEES 611170 5314 5314 0 0 0 0 10320485 237188 237188 0 0 584661 584459 202 0 202 202 0 0 0 0 0 13637941 10320485 0 237390 846311 846311 458193 366554 91639 6614194 5291355 1322839 120515 96412 24103 432757 346206 86551 462509 370007 92502 67156 67156 70252 70252 12500 12500 8119 8119 12442 0 11702 740 53786 53786 293536 184460 68742 40334 65341 38237 17684 9420 1874222 1776575 97647 4904 2870 1327 707 15461 15461 601488 571414 30074 101084 101084 CLASSROOM SUPPLIES AND MATERIALS 391818 391818 MAINTENANCE AND REPAIRS 232280 220178 12102 BAD DEBTS 2729 2729 8220 3068 5152 0 12749817 10505465 2180651 63701 773018 331718 6023263 6887290 37387 16997 0 0 0 0 49668 137925 9678271 6240448 2647806 3437823 1549505 1548469 0 0 17428938 16532978 28509585 28893200 568411 772086 3278988 2945662 0 0 0 0 479468 310739 0 18138407 17700830 22465274 21729317 X 6025204 7146021 19107 17862 6044311 7163883 28509585 28893200 X 888124 174773 56675 X false true true false X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 7216423 5383961 1832462 719408 614175 105233 1742440 242312 1500128 3437823 Closely-held equity interests Financial derivatives CORPORATE DEBT SECURITIES 1548469 F 1548469 LOAN ORIGINATION FEES 2760 RIGHT OF USE ASSETS 16472468 SECURITY DEPOSIT 57750 16532978 Federal Income Taxes LEASE LIABILITIES 17700830 OTHER LIABILITIES 0 17700830 13023078 174773 -789636 -614863 13637941 0 0 13637941 11903506 0 0 11903506 846311 846311 12749817 Schedule D, Part XI, Line 2(d) Other revenues in audited financial statements not in form 990 Foreign Currency Transaction Gain - 56675 Financial Aid - -846311 Schedule D, Part XII, Line 4(b) Other expenses in form 990 not in audited financial statements FINANCIAL AID - 846311 true true true true true true true false false false false false false false false true false true Schedule E, Part I, Line 3 RACIALLY NONDISCRIMINATORY POLICY THE POLICY IS PUBLISHED ON THE SCHOOL'S WEBSITE. Schedule E, Part I, Line 6(a) FINANCIAL AID OR ASSISTANCE FROM A GOVERNMENT THE SCHOOL RECEIVES FUNDING FROM THE FEDERAL REPUBLIC OF GERMANY. DURING THE YEAR THE SCHOOL ALSO RECEIVED A FEMA GRANT. Europe (Including Iceland and Greenland) 0 0 Investments 167142 0 0 0 0 0 0 167142 0 167142 false false false false false false Schedule F, Part I, Line 3 Method used to account for expenditures on org's financial statements EUROPE (INCLUDING ICELAND AND GREENLAND)-Accrual true FINANCIAL AID AND TUITION DISCOUNTS 143 846311 BOOK AMOUNTS APPLIED TO STUDENTS' ACCOUNTS Schedule I, Part I, Line 2 Procedures for monitoring use of grant funds NEED BASED STUDENT AID IS GIVEN IN THE FORM OF TUITION REMISSION, WHICH IS APPLIED DIRECTLY TO THE STUDENT'S ACCOUNT. FAMILIES REQUESTING AID MUST GO THROUGH AN APPLICATION PROCESS, WHICH IS REVIEWED AND DECIDED UPON BY A FINANCIAL AID COMMITTEE. X false false false false false false false false false BETTINA NANCY HAARBUSCH HEAD OF ADMINISTRATION 158940 0 0 0 0 0 6480 0 3612 0 169032 0 0 0 18536 NEED-BASED SCHOLARSHIPS EDUCATIONAL BENEFIT 29532 DISCOUNTED TUITION EDUCATIONAL BENEFIT Form 990, Part VI, Line 6 Classes of members or stockholders ALL LEGAL GUARDIANS WHOSE CHILDREN ARE ENROLLED AT THE GERMAN INTERNATIONAL SCHOOL BOSTON AND PROVIDE SCHOOL FEES AUTOMATICALLY BECOME MEMBERS OF THE CORPORATION UPON CONCLUSION OF THE ENROLMENT AGREEMENT, UNLESS THEY EXPRESSLY DECIDE NOT TO BECOME MEMBERS. IN ADDITION, OTHER NATURAL PERSONS, INCLUDING LEGAL ENTITES, WHO SUPPORT THE OBJECTIVES OF THE ORGANIZATION, MAY BECOME MEMBERS OF THE ORGANIZATION. Form 990, Part VI, Line 7a Members or stockholders electing members of governing body THE SCHOOL'S MEMBERS (EXCEPT THOSE WHO ARE ALSO TEACHERS OR EMPLOYEES OF THE SCHOOL) ELECT THE BOARD OF TRUSTEES. THE BOARD OF TRUSTEES MAKE DECISIONS FOR THE SCHOOL. Form 990, Part VI, Line 7b Decisions requiring approval by members or stockholders THE SCHOOL'S MEMBERS HAVE DECISION MAKING POWERS AS DESCRIBED IN THE BY-LAWS. Form 990, Part VI, Line 11b Review of form 990 by governing body THE FORM 990 IS REVIEWED IN DEPTH BY THE DIRECTOR OF FINANCE AND BOARD TREASURER, AFTER WHICH IT IS PROVIDED TO THE FULL BOARD BEFORE FILING. Form 990, Part VI, Line 12c Conflict of interest policy THE CONFLICT OF INTEREST POLICY AT GISB IS APPLICABLE TO BOTH ITS STAFF AND BOARD MEMBERS, AS OUTLINED IN THE EMPLOYEE HANDBOOK. FURTHERMORE, EVERY YEAR, ALL BOARD MEMBERS AND SENIOR LEADERSHIP TEAM MEMBERS ARE REQUIRED TO SIGN A GISB CONFLICT OF INTEREST DISCLOSURE STATEMENT. THE BOARD OF TRUSTEES CONSISTENTLY CONDUCTS REVIEWS AND HOLDS DISCUSSIONS PERTAINING TO THE CONFLICT OF INTEREST POLICY. ADDITIONALLY, THERE ARE SUPPLEMENTARY POLICIES, INCLUDING THE PROCUREMENT POLICY AND THE VENDOR APPROVAL PROCESS, WHICH FALL UNDER THE PURVIEW OF THE HEAD OF ADMINISTRATION AND THE DIRECTOR OF FINANCE, SERVING TO BOLSTER THE IMPLEMENTATION OF THE CONFLICT OF INTEREST POLICY. TO ENSURE TRANSPARENCY AND ACCOUNTABILITY AMONG ITS MEMBERS, THE BOARD OF TRUSTEES HAS ESTABLISHED A PROCESS FOR REPORTING AND ADDRESSING CONFLICTS OF INTEREST. Form 990, Part VI, Line 15a Process to establish compensation of top management official COMPENSATION INCREASES FOR ALL EMPLOYEES, INCLUDING OFFICERS AND KEY EMPLOYEES, WERE DISCUSSED DURING BOARD MEETINGS. PREVIOUS YEAR INCREASES IN COMPENSATION AND CURRENT YEAR EVALUATIONS WERE EXAMINED, AND A REASONABLE INCREASE IN COMPENSATION FOR THE CURRENT YEAR WAS APPROVED BY THE BOARD MEMBERS. Form 990, Part VI, Line 15b Process to establish compensation of other employees COMPENSATION INCREASES FOR ALL EMPLOYEES, INCLUDING OFFICERS AND KEY EMPLOYEES, WERE DISCUSSED DURING BOARD MEETINGS. PREVIOUS YEAR INCREASES IN COMPENSATION AND CURRENT YEAR EVALUATIONS WERE EXAMINED, AND A REASONABLE INCREASE IN COMPENSATION FOR THE CURRENT YEAR WAS APPROVED BY THE BOARD MEMBERS Form 990, Part VI, Line 19 Required documents available to the public THE ORGANIZATION'S GOVERNING DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST. THE BYLAWS ARE ALSO AVAILABLE ON THE SCHOOL'S WEBSITE. Form 990, Part XI, Line 9 Other changes in net assets or fund balances FOREIGN CURRENCY EXCHANGE - 56675; Total - 56675;