Middlesex School in Concord, Massachusetts (MA)


Employer Identification Number (EIN) 04-2103821
Name of Organization Middlesex School
Address 1400 Lowell Rd, Concord, MA 01742-5210
Previous Addresses Po Box 9122, Concord, MA 01742-9122 (2012 - 2017)
1400 Lowell Rd, Concord, MA 01742-5210 (2011)
Po Box 9122, Concord, MA 01742-9122 (2005 - 2010)
Subsection(s) / Classification Educational Organization
Affiliation Independent
Ruling Date 02/1944
Deductibility Contributions are deductible
Foundation School
Activities Private school
School, college, trade school, etc.
Organization Corporation
Exempt Organization Status Unconditional Exemption
Tax Period 06/2023
Asset $50,000,000 to greater
Income $50,000,000 to greater
Filing Requirement 990 (all other) or 990EZ return
Accounting Period June (06)
Asset Amount $434,288,156
Income Amount $58,554,443
Form 990 Revenue Amount $42,360,502
National Taxonomy of Exempt Entities (NTEE) Educational Institutions and Related Activities: Secondary, High School

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Income amount
Similar organizations: $33,311,265
This organization: $58,554,443
Asset amount
Similar organizations: $89,211,180
This organization: $434,288,156