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Person · officer / director

Mark Desjardins

Former Head of School · St Johns School

Former Head of School at St Johns School. Listed as an officer, director, or key employee across 2 organizations on the Form 990 record.

Ambiguous identity This name matches 2 other individuals we could not verify as the same person. Each is kept as a separate record below — treat them as distinct people unless an explicit match is confirmed.
Organizations
2
Roles reported
2
Reported compensation
$285K
Others who share this name
2

Who this is

Profile

Everything on the left is verified from the IRS filings. The biography on the right is compiled from public web sources and grounded to that filed record.

✓ Verified from filings
●
Reported as Former Head of School of St Johns School, based in Houston, TX.
●
Received $285K in total reported compensation on the most recent Form 990 (Part VII).
●
Also listed as Director of Breakthrough Houston, uncompensated.
Facts extracted directly from each organization's Form 990, Part VII.
Biography Web-sourced

Mark Desjardins is a career educator with 30+ years of experience in independent school leadership. He served as the seventh Headmaster of St.

John's School in Houston from 2010–2021, overseeing a K–12 coeducational day school of approximately 1,400 students. He has also led schools at TMI in San Antonio, Holland Hall in Tulsa, and Army Navy Academy in Carlsbad, California.

Compiled from public web sources (4 cited), grounded to the filed record.

Track record

Career & tenure

Real tenure, career, and education — from public web sources, what you need to vet a founder or leader beyond the filing window.

Education
  • Bates College · Bachelor of Arts in East Asian Civilizations
  • University of Virginia · Master of Education in Secondary School Administration
  • University of Virginia · Doctor of Philosophy in History of American Education

Verify independently

Find them online

Primary links to check this person directly — their own pages, not an aggregator.

Affiliations

Organizations

Linked as the same person by IRS Schedule R, a shared officer mailing address, or shared fellow board members.

St Johns School Former Head of School · $66.0M revenue · Houston, TXSt. John's School provides talented students in grades K-12 with a rigorous college preparatory curriculum and a wealth of enrichment opportunities…pay $697K → $285KFiled FY2022, FY2021 · Source: Form 990, Part VII
$285Kreported comp
Breakthrough Houston Director · $1.5M revenue · Houston, TXBreakthrough Houston works with highly motivated, traditionally underrepresented students to achieve post-secondary success and empowers aspiring…Filed FY2020, FY2019 · Source: Form 990, Part VII

Disambiguation

Other people named Mark Desjardins

Different individuals who share this name, separated by IRS Schedule R, mailing address, and shared-board evidence. The 990 carries no person identifier, so some may still be the same person.

M
Mark Desjardins 1 organization · Dallas, TXIndependent Schools Association of the Southwest
M
Mark Desjardins 1 organization · Waterford, CTBuilders Association

Network

Serves alongside

Other officers, directors & key employees at this person's organizations, by latest reported compensation.

D
Head of School/CEO · FY2024
$522K
C
Associate Head of School · FY2024
$273K
R
Director of Security & Facilities · FY2024
$239K
E
Middle Sch Head · FY2019
$239K
L
Former CFO (thru 6/24) · FY2024
$235K
H
Head of Upper School · FY2021
$231K
K
Head of Upper School · FY2024
$220K
R
Director of Security & Facilities · FY2022
$218K
D
Director of Advancement · FY2024
$216K
D
Us Math Teacher · FY2020
$194K
C
Head of Middle School · FY2022
$188K
T
Head of Lower School · FY2022
$185K

Network

Recommendations

Written by other verified members of the network — visible once you're a verified person yourself.

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Public data from IRS Form 990 e-file & the Business Master File. Individuals appear here because they were named as an officer, director, or key employee on a nonprofit's Form 990; people are grouped by name plus corroborating evidence (Schedule R, shared address, shared board members). · philanthropy.org