Youth and community nonprofits / California / San Diego

Arts education

Jonny Bass Foundation

A tax-exempt nonprofit in San Diego, California, classified by the IRS as arts education. For the year ending Dec 2025 it reported $206,742 in revenue and $681,923 in expenses.

Data as of November 8, 2026Markdown copy JSON data

What it says it does

“MAG Foundation mission is to ensure that art and science education along with web an application hosting services are accessible and well-supported in K-12 classrooms nationwide by providing essential supplies and resources to teachers, enabling creative and educational projects that enrich student learning experiences.”From the organization's Form 990 for the year ending Dec 2025, as written (including spelling); all-capital text shown in normal capitalization.

IRS facts

Type: Arts education (IRS activity code A25)

Mailing city (IRS): San Diego, California 92109

EIN: 88-2975129

Tax status: 501(c)(3), eligible to receive tax-deductible donations; IRS-recognized as tax-exempt since 2024, per IRS records posted October 13, 2026.

Revenue on its latest IRS filing: $206,742 (year ending Dec 2025)

Check its status on IRS Tax Exempt Organization Search · Filings on ProPublica Nonprofit Explorer

Jonny Bass Foundation finances

From the annual returns the group files with the IRS (Form 990, or the shorter Form 990-EZ for smaller groups), 1 filed year. Net assets are what it owns minus what it owes; management and general is office, admin and insurance cost. A dash means not reported (the short form does not ask for employees or volunteers). Each figure links to that year's return. A year is left out when no return is in the IRS e-file data; that does not mean the group was inactive.

Year ending	Dec 2025
Total revenue	$206,742
Total expenses	$681,923
Total assets	$1,198,761
Liabilities	$7,388
Net assets	$1,191,373
Employees	5
IRS form	Form 990

Where the money goes, year ending Dec 2025

Programs $443,535 (65%)
Management and general $105,994 (16%)
Fundraising $132,394 (19%)

Where the money comes from, year ending Dec 2025

Gifts and grants $2,710 (1%)
Program fees $0 (0%)
Investment income $204,032 (99%)
Other $0 (0%)

People: 5 employees reported for the year ending Dec 2025. Counts only; BackPR does not publish names of officers or staff.

Only one return is loaded, so we show no growth label.

Source: IRS Form 990 Series Downloads (the returns open on ProPublica Nonprofit Explorer, which republishes the IRS files). Figures are as the organization filed them. California nonprofit.

How it compares

6 of 41 arts education nonprofits in San Diego when sorted from largest to smallest revenue. This shows size only, not quality. Groups with no reported revenue are listed last.

Size: revenue of $206,742 is higher than roughly 50 to 60% of the 246 arts education nonprofits in California that report revenue to the IRS (the city count above also includes groups with none). The median is $179,559.

Our analysis of the IRS Business Master File (posted October 13, 2026), using each group's latest reported revenue. Groups are sorted by revenue and split into ten equal bands, using all California groups of this type (Arts education, which covers several IRS activity codes). Size only, not a rating.

Around San Diego and its county

San Diego County, California: the Census Bureau estimates about 671,593 children under 18 (July 1, 2024). This directory lists 1,271 youth and community nonprofits with a mailing ZIP code in the county, about 1.9 per 1,000 children. The count includes PTAs, arts and day care groups, so it is not a measure of places for kids.

This group's ZIP code is matched to the county that holds most of its area, so counts are approximate. County figures come from the Census Bureau's Vintage 2024 population estimates.

What is Jonny Bass Foundation's EIN?

Jonny Bass Foundation's EIN (Employer Identification Number) is 88-2975129. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

Is Jonny Bass Foundation a nonprofit?

Yes. The IRS lists Jonny Bass Foundation in San Diego, California as tax-exempt under section 501(c)(3), recognized since 2024. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

Are donations to Jonny Bass Foundation tax-deductible?

Yes, the IRS lists gifts to Jonny Bass Foundation as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

What does Jonny Bass Foundation do?

In its own words on its Form 990 for the year ending Dec 2025: "MAG Foundation mission is to ensure that art and science education along with web an application hosting services are accessible and well-supported in K-12 classrooms nationwide by providing essential supplies and resources to teachers, enabling creative and educational projects that enrich student learning experiences." The IRS classifies it as: Arts education.

How much money does Jonny Bass Foundation take in?

For the year ending Dec 2025, Jonny Bass Foundation reported total revenue of $206,742 and total expenses of $681,923 on its Form 990 (IRS Form 990 e-file data).

Do you run this organization?

Tax-exempt since 1969 · EIN 95-2464304

Arts education

Aya Art Co

San Diego, CA 92128

Tax-exempt since 2018 · EIN 82-5019081

All youth and community nonprofits in San Diego

Source: IRS Exempt Organizations Business Master File, posted October 13, 2026. We list 501(c)(3) organizations whose IRS activity code is youth development, amateur sports, camps and recreation, parent-teacher groups, children's services, child day care or arts education. We show the city and ZIP code only, never a street address or contact person. A listing is not an endorsement.

Data as of November 8, 2026. Sources: IRS Business Master File (posted October 13, 2026), IRS Form 990 series e-file data, U.S. Census Bureau population estimates (July 1, 2024), state child care licensing records in the BackPR finder. Growth labels, ranks and percentiles are BackPR's own calculations.

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