EIN 20-2169746

Class Size Matters

IRS 501(c) type
501(c)(3)
Num. employees
Unknown
Year formed
2005
Most recent tax filings
2023-12-01
NTEE code, primary
Description
Class Size Matters analyzes and reports on the benefits of smaller classes, advocates for class size reduction in NYC public schools, and provides information on student's right to privacy. The organization is dedicated to promoting small classes to boost student learning, engagement, and graduation rates.
Total revenues
n/a
Total expenses
n/a
Total assets
n/a
Num. employees
n/a

Who funds Class Size Matters

Grants from foundations and other nonprofits
GrantmakerDescriptionAmount
AmazonSmile FoundationGeneral Support$42

Personnel at Class Size Matters

NameTitleCompensation
Leonie HaimsonPresident$0

Financials for Class Size Matters

RevenuesFYE 12/2021
Total grants, contributions, etc.$24,615
Program services$0
Membership dues$0
Investment income and dividends$0
Net gain from sale of non-inventory assets$0
Net income from gaming activities and fundraising events, combined$0
Net income from sales of inventory$0
Miscellaneous revenues$4
Total revenues$24,619

Form 990s for Class Size Matters

Fiscal year endingDate received by IRSFormPDF link
2023n/a990-N (e-Postcard)
2021-122022-11-08990EZView PDF
2020-122021-12-13990EZView PDF
2020-122021-11-15990EZView PDF
2019-122021-11-17990EZView PDF
...and 10 more Form 990s
Data update history
April 22, 2024
Posted financials
Added Form 990N for fiscal year 2023
December 1, 2023
Posted financials
Added Form 990N for fiscal year 2022
July 31, 2023
Posted financials
Added Form 990EZ for fiscal year 2021
June 29, 2023
Posted financials
Added Form 990EZ for fiscal year 2020
May 17, 2023
Used new vendors
Identified 1 new vendor, including
Nonprofit Types
Social advocacy organizationsSchoolsEducational service providersCharities
Issues
EducationPublic policy
Characteristics
LobbyingPartially liquidatedTax deductible donationse-Postcard filer
General information
Address
Co L Haimson 124 Waverly Pl
New York, NY 10011
Metro area
New York-Newark-Jersey City, NY-NJ-PA
County
New York County, NY
Website URL
classsizematters.org/ 
Phone
(212) 529-3539
IRS details
EIN
20-2169746
Fiscal year end
December
Taxreturn type
Form 990-N / Postcard
Year formed
2005
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
B90: Educational Services
NAICS code, primary
813319: Social Advocacy Organizations
Parent/child status
Independent
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