The Open School
Donations deductibleThe Open School's network
11 peoplei11 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (11). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.The board
11 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 11 voting members of its governing body on its latest Form 990 Part VI, which matches the board listed here.| Name | Role as filed | Since | On the board |
|---|---|---|---|
| Casandra Clausen Chair | Chairman | 2021 | 5 yrs |
| Aaron Browder | Company secretary | 2021 | 5 yrs |
| Ben Page | Director | 2021 | 5 yrs |
| Corrie Reill-Erickson | Director | 2022 | 4 yrs |
| Finnegan Thurlo | Director | 2023 | 3 yrs |
| Ingrid Shultz | Treasurer | 2018 | 8 yrs |
| James Spady | Director | 2018 | 8 yrs |
| Jon Cassie | Director | 2018 | 8 yrs |
| Madeline Piscopo | Director | 2021 | 5 yrs |
| Matt Dale | Director | 2018 | 8 yrs |
| Sarah Strain | President | 2020 | 6 yrs |
Officers and senior leadership
1 listediNamed in Part VII as officers, key employees or highest-compensated staff - not board members, shown for completeness.| Name | Title as filed | On the filings |
|---|---|---|
| Casandra Clausen | Executive Direc | 2020 |
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.| Name | Title as filed | Hours a week | Pay from the organisation | Related organisations | Other |
|---|---|---|---|---|---|
| Aaron Browder | Secretary | 0.3 | $70k | $3k | |
| Casandra Clausen | Executive Dir. | 40 | $68k | $3k | |
| Jon Cassie | Director | 0.3 | $0 | ||
| Ben Page | Director | 0.3 | $0 | ||
| Matt Dale | Director | 0.3 | $0 |
About
- Legal name
- The Open School
- EIN
- 460745295
- Address
- 2625 N Tustin Ave, Santa Ana, CA, 92705-1016
- State
- California
- Mission
- Providing learner-led education that respects, trusts, and empowers students to pursue their interests, optimize their potential as humans, and allows their true selves to emerge. (as filed on the Form 990)
- Activity (NTEE)
- B24 Education
- IRS classification
- 501(c)03 (tax-exempt under section 501(c)(3) where shown)
- Classified purpose
- Education
- Size band
- 4 (IRS master file code)
- Formed
- 2012
- Principal officer
- Casandra Clausen (as named on the Form 990)
- IRS ruling date
- 1 April 2014
- Status
- Code 01 (unconditional exemption)
- Form 990 filings on record
- 6, latest 2023
- IRS Publication 78
- PC (contributions deductible)
Most connected
Longest observed on the filings
≥8years on the filingsIngrid Shultz
≥8years on the filingsJames Spady
≥8years on the filingsJon Cassie
≥8years on the filingsMatt Dale
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
- $106k
- Total liabilities
- $29k
- Net assets or fund balances
- $77k
- Contributions and grants received
- $127k
- Program service revenue
- $533k
- Employees
- 13
- Volunteers
- 5