Arts, Culture & Humanities (A82Z) 990 on File

SOUTH END HISTORICAL SOCIETY INC

EIN: 04-6149016 · BOSTON, MA 02118-1463 · United States · FY 2025 Data

3 out of 5 43 / 100 Based on 2+ years of filings

Financial strength (30%) 65/100

Reliability (20%) 55/100

Effectiveness (25%) 48/100

Impact (25%) No data yet

Financial data: FY 2025 · Scored 9/13/2026

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Financial Overview — FY 2025

$279K

Total Revenue

$101K

Total Expenses

$1.3M

Net Assets

Employees

Revenue Sources

Expense Breakdown

Program Expense Ratio 14.9%

Fundraising Efficiency 0.0%

Operating Reserve 154.80x

Liability-to-Asset 0.0%

Revenue Diversification 41.6%

Executive Compensation $57K

Compared with Peers

FY 2025

Compared with 8,038 similar organizations (United States, Arts, Culture & Humanities, $100K–$1M in expenses), FY 2025.

This organization Middle half of peers (P25–P75) Peer median

Ratio	This org	Peer median	Position (P10 → P90)
Program expense ratio Program expenses / total expenses · higher is better	14.9%	81.9%	P10P90	Bottom quarter
Admin expense ratio Management and general / total expenses · lower is better	85.1%	13.8%	P10P90	Bottom quarter
Fundraising expense ratio Fundraising expenses / total expenses · lower is better	0.0%	0.0%	P10P90	Top quarter
Fundraising efficiency Fundraising expenses / gross fundraising income · lower is better	0.0%	27.9%	P10P90	Top quarter
Operating reserve Months of expenses covered by net assets · higher is better	154.8 mo	9.5 mo	P10P90	Top quarter
Liabilities to assets Total liabilities / total assets · lower is better	0.0%	1.5%	P10P90	Top quarter
Revenue concentration Share of revenue from the largest source · lower is better	41.6%	77.8%	P10P90	Top quarter
Surplus margin Surplus as a share of revenue	63.6%	2.4%	P10P90

Financial History

Year	Revenue	Expenses	Net Assets	Program %	Staff
2025	$279K	$101K	$1.3M	14.9%	1
2023	$252K	$76K	$831K	15.2%	1
2022	$80K	$73K	$768K	4.1%	1
2021	$129K	$69K	N/A	—	1

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Organization Details

EIN: 04-6149016
State: MA
City: BOSTON
ZIP: 02118-1463
Classification: A82Z
Category: Arts, Culture & Humanities
Rating: 3★
Coverage: A
Last Updated: Aug 2026
Form 990: On File

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CharityAI™ rates charities from 0 to 100 using public filings (IRS Form 990 and the equivalent registries outside the US) together with the information the charity itself provides on DonationX. Ratings are recalculated every quarter, without human bias, and shown as stars.

Four pillars

Financial strength30%

Program expense ratio, fundraising efficiency, operating reserves, liabilities and revenue diversification, compared with similar organizations.

Reliability20%

Standing with the registry, filing history, verification and how complete the profile is.

Effectiveness25%

How much goes to programs and how consistently the organization delivers them.

Impact25%

The outcomes the charity reports on DonationX: people served, cost per service and results.

Stars

★★★★★ 80–100 ★★★★☆ 60–79 ★★★☆☆ 40–59 ★★☆☆☆ 20–39 ★☆☆☆☆ 1–19

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The coverage grade (A to D) says how much filing data the score rests on; NONE means there is not enough to rate.
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"Compared with peers" places the charity's key ratios against organizations of the same country, sector and size.

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