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Governance Register
US nonprofit · EIN 330829596 · Redlands, CAiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 330829596) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990 for the year to 30 June 2025: assets, liabilities, staff, website, telephone, pay.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

The Grove School's network

3 peoplei3 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (3). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

3 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record. The organisation reported 7 voting members of its governing body on its latest Form 990 Part VI; we list 3 in Part VII (Part VII does not always name every voting member).
NameRole as filedSinceOn the board
Ryan SchavrienMember2023
3 yrs
Susan BlauthMember2023
3 yrs
Trevor NortonTrustee2021
5 yrs
Under 5 years5 to 6 years6 years or more

Officers and senior leadership

6 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.
NameTitle as filedOn the filings
A Jay MunozTrusteesince 2022
Andrew ChristophersonHead of Schoolsince 2022
Andrew SchadwinkelBoard Chairsince 2022
Margaretann HarrisonCompany secretarysince 2022
Mark SigmanVice-Chairsince 2022
Trevor NortonTrustee2022

Pay and hours

year to 30 June 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Dean SillimanMember5$0
Damian HobsonMember5$0
MargaretAnn HarrisonSecretary5$0
A Jay MunozTrustee5$0
Ryan SchavrienBoard Chair5$0
Keith CeciMember5$0

No pay was reported for anyone in Part VII on this return.

About

Legal name
The Grove School
EIN
330829596
Address
200 Nevada St, Redlands, CA, 92373-5385
State
California
Mission
Grove High School is a California Public Charter School with a Montessori teaching philosophy that serves 238 students in grades 7-12. (as filed on the Form 990)
Activity (NTEE)
B25 Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
6 (IRS master file code)
Formed
1999
Principal officer
Ryan Schavrien (as named on the Form 990)
IRS ruling date
1 July 2008
Status
Code 01 (unconditional exemption)
Form 990 filings on record
2, latest 2023
IRS Publication 78
PC (contributions deductible)

Most connected

Longest observed on the filings

≥5years on the filingsTrevor Norton
≥3years on the filingsRyan Schavrien
≥3years on the filingsSusan Blauth

Latest return

year to 30 June 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 30 June 2025. US dollars, as filed.
Total assets
$2.3m
Total liabilities
$378k
Net assets or fund balances
$1.9m
Contributions and grants received
$4.2m
Program service revenue
$65k
Employees
56
Volunteers
12