Conservatory Lab Foundation Inc logo

Conservatory Lab Foundation Inc

Public charity · Grantmaker Boston, MA EIN: 04-3443578 Website

The foundation's purpose is to support the dissemination of learning through music as an educational model.

Key facts about Conservatory Lab Foundation Inc

In short: Conservatory Lab Foundation Inc gave $4.1M across 2 grants in 2025 (avg $2.1M), mostly in Massachusetts. Source: 2025 IRS Form 990.

EIN
04-3443578
Latest 990 filing
Form 990, 2025
Annual giving (2025)
$4,122,162
Grants made (2025)
2
Average grant
$2,061,081
Median grant
$2,061,081
Total assets
$43,771,214
Primary geography
Massachusetts (100% of itemized 2025 grant dollars)

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$43.8M

+73.2% YoY

Annual Giving

$4.1M

+860.2% YoY

Grant Count

2

+100.0% YoY

Avg Grant Size

$2.1M

+380.1% YoY

How Conservatory Lab Foundation Inc gives

  • Giving grew 1635% from 2022 to 2025. Method

From the foundation's IRS Form 990 filings. Methodology.

About Conservatory Lab Foundation Inc

Based on IRS filings

Conservatory Lab Foundation Inc is a public charity focused on Education, based in Boston, MA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $43.8M in total assets. In 2025, it awarded 2 grants totaling $4.1M. Net investment income was $314K.

Focus Areas

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 2 itemized grants.

Cities

Boston

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$6M1 grant2021 1 grant2022 1 grant2023 1 grant2024 2 grants2025

From 2021 to 2025, annual grant giving ranged from $238K (2022) to $4.1M (2025). In 2025 it made 2 grants totaling $4.1M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

CLCS Realty II: $3.6MCLCS Realty II$3.6MConservatory Lab Charter School: $566KConservatory Lab CharterSchool$566K

The largest 2025 recipient was CLCS Realty II ($3.6M). Together the top 2 received $4.1M.

Grant Size Distribution

6 grants across all recorded years

<$50K$50–100K1$100–250K3$250–500K1$500K–1M1$1–5M$5M+

The most common grant size was in the $250–500K range: 3 grants of 6 (50%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
CLCS Realty II Boston, MATo provide financial support for the renovation of a school building$3,556,037
Conservatory Lab Charter School Boston, MATo provide assistance to learning through music and violin programs$566,125

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$2M$4M$6M$8M2021 2022 2023 2024 2025
Metric202520242023
Total Assets$43,771,214$25,269,182$24,981,246
Revenue$2,791,202$2,665,526$2,021,236
Expenses$5,939,620$2,047,940$1,938,796
Net Investment Income$314,279$175,610$135,059

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2021 (received by the IRS November 5, 2021)
  2. Updated Form 990 for fiscal year 2022 (received by the IRS January 23, 2023)
  3. Updated Form 990 for fiscal year 2023 (received by the IRS February 12, 2024)
  4. Updated Form 990 for fiscal year 2024 (received by the IRS January 31, 2025)
  5. Updated Form 990 for fiscal year 2025 (received by the IRS March 6, 2026)
  6. IRS filings on file for fiscal years 2021–2025

Leadership & Key People

Officers and directors from IRS filings

Conservatory Lab Foundation Inc is led by Melanie Sheffield, President & Class A Director on every filing since 2021; none of the 10 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Melanie Sheffield

    President & Class A Director

    On filings since 2021

    3 hrs/week

    No compensation reported

  • Bradley F. Richardson

    Class B Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Gary Gut

    Class B Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Katharine M. Pell

    Clerk & Class B Director

    Clerk → Clerk & Class B Director, 2023

    On filings since 2021

    2 hrs/week

    No compensation reported

  • Ann Carter

    Class A Director

    Class B Director → Class A Director, 2025

    On filings since 2024

    1 hr/week

    No compensation reported

  • Dot Joyce

    Class A Director

    New on the 2025 filing

    0.3 hrs/week

    No compensation reported

  • Rachel Kemp

    Class A Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Robert Grinberg

    Treasurer & Class B Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Shippen Page

    Class A Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Debra L. Smith

    Assistant Clerk & Class A

    Director & Assistant Clerk → Assistant Clerk & Class A Director, 2023

    Assistant Clerk & Class A Director → Assistant Clerk & Class A, 2024

    On filings since 2021

    0.3 hrs/week

    No compensation reported

Former officers (3)
  • Former: John Paolella (2021–2024) — Treasurer & Class A Director
  • Former: Bob Grinberg (2024) — Trustee
  • Former: Dave Joyner (2024) — Class B Director

Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Conservatory Lab Foundation Inc

How much does Conservatory Lab Foundation Inc give each year?

Conservatory Lab Foundation Inc gave $4.1M across 2 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $429K across 1 grant.

How large is Conservatory Lab Foundation Inc?

Conservatory Lab Foundation Inc reported $43.8M in total assets on its 2025 IRS Form 990. Its revenue that year was $2.8M.

What is Conservatory Lab Foundation Inc?

Conservatory Lab Foundation Inc is a public charity focused on Education, based in Boston, MA. It holds $43.8M in total assets as of 2025.

Where does Conservatory Lab Foundation Inc operate?

Conservatory Lab Foundation Inc has awarded grants in Massachusetts.

What is Conservatory Lab Foundation Inc's EIN?

Conservatory Lab Foundation Inc's EIN (Employer Identification Number) is 04-3443578. IRS Form 990 filing data is available on this page for 2021–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

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