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PeerBasis
Compensation Comparability Determination

Sonoma Charter School

Executive Director / CEO

EIN 680325165
CA · NTEE B20
FY ending 2024-06-30
June 9, 2026

This analysis benchmarks the total compensation of Hilary Sowers, Executive Director / CEO ($143,112) against every comparable organization that fit the selection criteria — 40 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 63rd percentile of comparable organizationswithin the typical range

Benchmarked executive: Hilary Sowers — reported title “PRINCIPAL (THRU 11/2023)”, selected as the organization's highest-paid individual — no exact title match, so confirm this is a comparable role.

How comparable organizations were selected

40 organizations qualified on sector, size, and geography 40 within the band form the benchmarked peer set.

Distribution of comparable compensation

$9,461 total compensation of comparable organizations → $249,364 $143,112
$61,51610th
$96,84525th
$119,424Median
$154,35475th
$200,21090th
$143,112This org · 63rd
p10$61,516
p25$96,845
p50$119,424
p75$154,354
p90$200,210
$143,112

Comparable organizations

Each figure is Form 990 Part VII columns D + F (reportable pay plus other compensation and benefits; column F may include amounts from related organizations), normalized to CA cost of living (BEA RPP, 2023) and to its filing year (CPI-U); the reported amount is on each linked 990.

OrganizationStateRevenueMatched titleComp
(reported)
Comp
(adjusted)
FY
Sycamore Community School CA$2,916,142 President $140,440 $136,820 2025
New Covenant Academy CA$2,951,316 Chief Executive Officer $103,545 $106,603 2023
Moraga Education Foundation CA$2,897,492 Exec Director $59,238 $60,988 2023
Alma Fuerte Public School CA$2,891,586 Director $118,142 $121,632 2023
Santa Barbara Education Foundation CA$2,973,513 Executive Director $97,894 $100,786 2023
🔒 35 more comparable organizations — included in the purchased report

Comp (reported) is the figure on each organization's Form 990 (columns D + F); Comp (adjusted) normalizes it to CA cost of living and 2024 dollars. Click any organization to verify the figure on ProPublica.

Methodology

Comparable organizations were drawn from electronically filed IRS Form 990 returns and matched on sector (NTEE code), budget (a size-adaptive revenue band that tightens as the organization grows), and geography (same-state first, broadening only when too few peers qualify); every organization within the band forms the peer set. To compare fairly across regions and years, peer compensation is normalized to CA cost of living (BEA Regional Price Parities, 2023) and to the subject's filing year (CPI-U). The figure benchmarked is Form 990 Part VII, Section A, columns D + F — reportable pay plus other compensation, benefits, and deferred amounts (column F may include amounts from related organizations) — with the chief executive matched by role. Related-organization amounts (column E) and institutional trustees are excluded. Full methodology: peerbasis.org/methodology.

Sample, role match & sensitivity

Sensitivity — the subject's percentile under alternative compensation definitions:

BasisSubject percentile
Total compensation (D + F), cost-of-living + inflation adjusted — the PeerBasis default63rd
Total compensation (D + F), as reported (no adjustments)63rd
Reportable pay only (column D), adjusted63rd
All sources (D + E + F), adjusted55th

If the percentile moves materially across these definitions, the result is sensitive to methodology choices, and the board should weigh which basis best fits its facts.

Rebuttable presumption of reasonableness · 26 CFR 53.4958-6

Compensation paid by a tax-exempt organization is presumed reasonable — shifting the burden to the IRS — when three requirements are met. This report supplies the comparability data for the second. The board should record the following in its minutes concurrently with its decision:

Ready-to-adopt board minutes — executive compensation

🔒 The complete minutes language — three numbered resolutions pre-filled with this organization, the 40-organization comparison, the date, and the percentile finding, ready to paste into your minutes — is included in the purchased report.

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Sources: IRS Form 990 e-file data (apps.irs.gov); IRS Business Master File (NTEE classification). Every figure traces to an original public filing — click any organization above to verify it on ProPublica. PeerBasis is a service of Prismind Analytics; its methodology is published, was commissioned for independent adversarial review, and discloses its own limitations. This report is comparability data to support a board's good-faith determination under IRC 4958; it is not legal or tax advice. Generated by PeerBasis on June 9, 2026.