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The Open School

  • Santa Ana, CA
  • Tax-exempt since April 2014
  • EIN: 46-0745295

Organization summary

Type of Nonprofit

Designated as a Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Category: Educational Institutions and Related Activities / Primary, Elementary Schools (NTEE)

Donations to this organization are tax deductible.

Details

According to its June 2024 tax filing, this nonprofit:

Operated a school
Organization is a school. Details are reported on Schedule E.

Summary charts: organization finances over time

Revenue
$637k (2024)

Expenses
$523k (2024)

Total Assets
$315k (2024)

Total Liabilities
$46.6k (2024)

Source: Form 990 tax filings from 2016 to 2024

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending June
2024

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$636,604
Expenses
$523,311
Net Income
$113,293
Net Assets
$268,088
Notable Sources of Revenue Percent of Total Revenue
Contributions $11,207
1.8%
Program Services $613,719
96.4%
Investment Income $1,456
0.2%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $10,222
1.6%
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $68,894
13.2%
Professional Fundraising Fees $0
Other Salaries and Wages $199,616
38.1%
Assets/Debt
Total Assets $314,709
Total Liabilities $46,621
Net Assets $268,088
Other
Operated a school
Compensation
Key Employees and Officers Compensation Related Other
Casandra Clausen (Executive Dir.) $66,101 $0 $2,650
Anthony Meyer (Director) $0 $0 $0
Lexie Heft (Director) $0 $0 $0
Ingrid Shultz (Treasurer) $0 $0 $0
James Spady (Director) $0 $0 $0
Sarah Strain (President) $0 $0 $0
Corrie Reill Erickson (Director) $0 $0 $0
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Document Links

990
Filed on May 14, 2025

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending June
2023

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$459,653
Expenses
$454,527
Net Income
$5,126
Net Assets
$156,412
Notable Sources of Revenue Percent of Total Revenue
Contributions $10,074
2.2%
Program Services $441,305
96.0%
Investment Income $7,420
1.6%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets -$538
Net Inventory Sales $1,392
0.3%
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $117,069
25.8%
Professional Fundraising Fees $0
Other Salaries and Wages $132,973
29.3%
Assets/Debt
Total Assets $162,433
Total Liabilities $6,021
Net Assets $156,412
Other
Operated a school
Compensation
Key Employees and Officers Compensation Related Other
Casandra Clausen (Chairman) $47,321 $0 $0
Aaron Browder (Secretary) $45,230 $0 $0
Ben Page (Director) $1,669 $0 $0
Jon Cassie (Director) $0 $0 $0
Matt Dale (Director) $0 $0 $0
Ingrid Shultz (Treasurer) $0 $0 $0
James Spady (Director) $0 $0 $0
Sarah Strain (President) $0 $0 $0
Madeline Piscopo (Director) $0 $0 $0
Corrie Reill Erickson (Director) $0 $0 $0
Finnegan Thurlo (Director) $0 $0 $0
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Document Links

990
Filed on May 15, 2024

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending June
2022

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$331,122
Expenses
$286,387
Net Income
$44,735
Net Assets
$152,333
Notable Sources of Revenue Percent of Total Revenue
Contributions $71,946
21.7%
Program Services $252,972
76.4%
Investment Income $201
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $5,073
1.5%
Sales of Assets $0
Net Inventory Sales $930
0.3%
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $70,085
24.5%
Professional Fundraising Fees $0
Other Salaries and Wages $83,532
29.2%
Assets/Debt
Total Assets $158,125
Total Liabilities $5,792
Net Assets $152,333
Other
Operated a school
Compensation
Key Employees and Officers Compensation Related Other
Casandra Clausen (Executive Dir.) $30,602 $0 $0
Aaron Browder (Secretary) $29,866 $0 $0
Ben Page (Director) $600 $0 $0
Jon Cassie (President) $0 $0 $0
Matt Dale (Director) $0 $0 $0
Tay Parker (Director) $0 $0 $0
Ingrid Shultz (Treasurer) $0 $0 $0
James Spady (Director) $0 $0 $0
Sarah Strain (President) $0 $0 $0
Madeline Piscopo (Director) $0 $0 $0
Court Price (Secretary) $0 $0 $0
Thomas D'angelo (Director) $0 $0 $0
Corrie Reill Erickson (Director) $0 $0 $0
Anne Steketee (Director) $0 $0 $0
Shannon Stoker (Director) $0 $0 $0
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Document Links

990
Filed on May 15, 2023

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2021

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$204,893
Expenses
$157,369
Net Income
$47,524
Net Assets
$114,250
Notable Sources of Revenue Percent of Total Revenue
Contributions $41,201
20.1%
Program Services $161,646
78.9%
Investment Income $6
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $1,289
0.6%
Sales of Assets $0
Net Inventory Sales $751
0.4%
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $55,953
35.6%
Professional Fundraising Fees $0
Other Salaries and Wages $42,005
26.7%
Assets/Debt
Total Assets $162,089
Total Liabilities $47,839
Net Assets $114,250
Other
Operated a school
Compensation
Key Employees and Officers Compensation Related Other
Aaron Browder (Secretary) $28,364 $0 $0
Casandra Clausen (Chair) $27,359 $0 $0
Tay Parker (Director) $8,113 $0 $0
Jon Cassie (President) $0 $0 $0
Ben Page (Director) $0 $0 $0
Matt Dale (Director) $0 $0 $0
Ingrid Shultz (Treasurer) $0 $0 $0
James Spady (Director) $0 $0 $0
Sarah Strain (President) $0 $0 $0
Madeline Piscopo (Director) $0 $0 $0
Court Price (Secretary) $0 $0 $0
Andrew Lee (Director) $0 $0 $0
Matt Zimmer (Director) $0 $0 $0
Anne Steketee (Director) $0 $0 $0
Shannon Stoker (Director) $0 $0 $0
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Document Links

990
Filed on Dec. 28, 2022

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2020

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$198,676
Expenses
$180,895
Net Income
$17,781
Net Assets
$66,726
Notable Sources of Revenue Percent of Total Revenue
Contributions $32,247
16.2%
Program Services $167,367
84.2%
Investment Income $11
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising -$949
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $24,723
13.7%
Professional Fundraising Fees $0
Other Salaries and Wages $76,709
42.4%
Assets/Debt
Total Assets $91,021
Total Liabilities $24,295
Net Assets $66,726
Other
Operated a school
Compensation
Key Employees and Officers Compensation Related Other
Casandra Clausen (Executive Direc) $24,723 $0 $0
Jon Cassie (Chair/President) $0 $0 $0
Ingrid Shultz (Treasurer) $0 $0 $0
James Spady (Secretary) $0 $0 $0
Andrew Lee (Director) $0 $0 $0
Adil Karamally (Director) $0 $0 $0
Matt Zimmer (Director) $0 $0 $0
Anne Steketee (Director) $0 $0 $0
Court Price (Director) $0 $0 $0
Shannon Stoker (Director) $0 $0 $0
Sarah Strain (Director) $0 $0 $0
+ View more people

Document Links

990
Filed on May 14, 2021

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2019

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$147,994
Expenses
$134,148
Net Income
$13,846
Net Assets
$48,945
Notable Sources of Revenue Percent of Total Revenue
Contributions $22,329
15.1%
Program Services $124,448
84.1%
Investment Income $8
0.0%
Net Fundraising $1,209
0.8%
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $55,336
Total Liabilities $6,391
Net Assets $48,945
Other
Operated a school
Compensation
Key Employees and Officers Compensation Other
Casandra Clausen (Executive Direc) $23,176 $0
Adil Karamally (Director) $0 $0
Ingrid Shultz (Treasurer) $0 $0
Jon Cassie (Chair/President) $0 $0
James Spady (Secretary) $0 $0
Stephanie Olivo (Director) $0 $0
Matt Dale (Director) $0 $0
Andrew Lee (Director) $0 $0
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Document Links

990-EZ
Filed on July 15, 2020

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2018

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$129,820
Expenses
$112,716
Net Income
$17,104
Net Assets
$35,099
Notable Sources of Revenue Percent of Total Revenue
Contributions $24,497
18.9%
Program Services $101,751
78.4%
Investment Income $1
0.0%
Net Fundraising $3,571
2.8%
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $58,529
Total Liabilities $23,430
Net Assets $35,099
Other
Operated a school
Compensation
Key Employees and Officers Compensation Other
Casandra Clausen (Executive Direc) $22,984 $0
Bradley Petersen (Director) $0 $0
Ingrid Shultz (Treasurer) $0 $0
Jon Cassie (Chair/President) $0 $0
James Spady (Secretary) $0 $0
Stephanie Olivo (Director) $0 $0
Matt Dale (Director) $0 $0
Carol Ann Stoltz (Director) $0 $0
Carin Agiman (Director) $0 $0
Ronan Hallowell (Director) $0 $0
Andrew Lee (Director) $0 $0
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Document Links

990-EZ
Filed on May 14, 2019

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2017

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$103,808
Expenses
$104,286
Net Income
-$478
Net Assets
$17,995
Notable Sources of Revenue Percent of Total Revenue
Contributions $9,622
9.3%
Program Services $85,195
82.1%
Investment Income $1
0.0%
Net Fundraising $8,990
8.7%
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $21,542
Total Liabilities $3,547
Net Assets $17,995
Other
Operated a school
Compensation
Key Employees and Officers Compensation Other
Casandra Clausen (President) $19,208 $0
Daniel Powers (Secretary) $0 $0
Ingrid Shultz (Treasurer) $0 $0
Jon Cassie (Director) $0 $0
James Spady (Director) $0 $0
Stephanie Olivo (Director) $0 $0
Matt Dale (Director) $0 $0
Carol Ann Stoltz (Director) $0 $0
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Document Links

990-EZ
Filed on July 13, 2018

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2016

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$57,151
Expenses
$46,222
Net Income
$10,929
Net Assets
$18,473
Notable Sources of Revenue Percent of Total Revenue
Contributions $2,655
4.6%
Program Services $54,495
95.4%
Investment Income $1
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $20,249
Total Liabilities $1,776
Net Assets $18,473
Compensation
Key Employees and Officers Compensation Other
Ben Page (Treasurer) $6,400 $0
Casandra Clausen (President) $600 $0

Document Links

990-EZ
Filed on Feb. 17, 2017

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

About This Data

What Is This Data?

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

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About Nonprofit Explorer

Nonprofit Explorer

Browse millions of annual returns filed by tax-exempt organizations with ProPublica’s Nonprofit Explorer. See details like executive compensation, revenue, expenses and more. Search for an organization or a person, or search the full text of filings.

By Andrea Suozzo, Alec Glassford, Ash Ngu and Brandon Roberts.

Design by Jeff Frankl. Additional development by Ken Schwencke, Mike Tigas, and Sisi Wei.

E-file viewer adapted from IRS e-File Viewer by Ben Getson. Code for scraping audit documents adapated from Govwiki.

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