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PeerBasis
Compensation Comparability Determination

Mater Dei School Inc

Executive Director / CEO

EIN 520906575
MD · NTEE B24Z
FY ending 2024-06-30
June 9, 2026

This analysis benchmarks the total compensation of William Mcmurtrie, Executive Director / CEO ($273,017) against every comparable organization that fit the selection criteria — 230 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 80th percentile of comparable organizationswithin the typical range

Benchmarked executive: William Mcmurtrie — reported title “HEAD OF SCHOOL/PRESIDENT”, a direct title match to the Executive Director / CEO role.

How comparable organizations were selected

230 organizations qualified on sector, size, and geography 230 within the band form the benchmarked peer set.

Distribution of comparable compensation

$684 total compensation of comparable organizations → $985,563 $273,017
$100,58010th
$132,52125th
$185,269Median
$250,58575th
$339,10190th
$273,017This org · 80th
p10$100,580
p25$132,521
p50$185,269
p75$250,585
p90$339,101
$273,017

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 MD 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
Alexandria Country Day School Inc VA$8,443,316 Head Of School $373,933 $397,594 2023
Madison Avenue School Of Arts OH$8,458,834 Board President $1,000 $1,167 2023
Torah Day School Of Atlanta GA$8,471,882 Head Of School $191,397 $205,846 2024
Sea Crest School Inc CA$8,492,265 Head Of School $379,660 $361,020 2023
Montgomery School PA$8,400,600 Head Of School $260,851 $286,460 2023
🔒 225 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 MD 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 MD 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 default80th
Total compensation (D + F), as reported (no adjustments)82nd
Reportable pay only (column D), adjusted73rd
All sources (D + E + F), adjusted78th

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 230-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.