Insights

Independent Education Focus Castilleja is a non-sectarian, all-girls middle and high school in the San Francisco Bay Area with a strong college-prep orientation, presenting opportunities to offer high-end edtech, personalized learning platforms, and governance solutions aligned with independent school standards.

Leadership and Administration Recent leadership changes and high-profile awards for administrators (e.g., Head of School transition in 2024-2025 and awards for finance/operations leadership) signal ongoing decision cycles and potential needs for enterprise software, finance systems, and professional development services.

Digital and Tech Stack Active use of Canva, WordPress, Adobe Experience Cloud, Google Cloud, Datadog, VMware, Piwik PRO Core, and Zoom indicates openness to marketing automation, data analytics, cloud-based IT resilience, and collaboration tools—clear avenues for cloud services, analytics platforms, and cybersecurity offerings.

Recent Recognitions AWARDS and recognition for community impact and AI learning leadership position Castilleja as a thought leader in education technology and governance, suggesting opportunities for partnerships, sponsorships, and pilot programs in innovative curricula and digital initiatives.

Growth and Risk Signals Enrollment scale (grades 6-12, 201-500 employees) and a past lawsuit on safeguarding imply a dual focus on student safety, compliance, and scalable infrastructure—areas where security, policy consulting, and training services could be relevant.

Similar companies to Castilleja School

Castilleja School Tech Stack

Castilleja School uses 8 technology products and services including Canva, WordPress, Adobe Experience Cloud, and more. Explore Castilleja School's tech stack below.

Media & News

Castilleja School's Email Address Formats

Castilleja School uses at least 4 email formats:
Castilleja School Email FormatsExamplePercentage
FLast@castilleja.orgJDoe@castilleja.org
82%
First_Last@castilleja.orgJohn_Doe@castilleja.org
13%
Last@castilleja.orgDoe@castilleja.org
4%
FMiddleLast@castilleja.orgJMichaelDoe@castilleja.org
1%

Frequently Asked Questions

What is Castilleja School's phone number?

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You can contact Castilleja School's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Castilleja School's official website and social media links?

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Castilleja School's official website is castilleja.org and has social profiles on LinkedIn.

How much revenue does Castilleja School generate?

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As of August 2026, Castilleja School's annual revenue is estimated to be $1M - $10M.

What is Castilleja School's SIC code and NAICS code?

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Castilleja School's SIC code is 7999 - Amusement and Recreation Services, Not Elsewhere Classified and NAICS code is 6111 - Elementary and Secondary Schools.

How many employees does Castilleja School have currently?

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As of August 2026, Castilleja School has approximately 231 employees across 3 continents, including North America, Asia and South America. Key team members include Owner: C. J., Cofounder: K. F. and Owner: S. H. Explore Castilleja School's employee directory with LeadIQ.

What industry does Castilleja School belong to?

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Castilleja School operates in the Primary and Secondary Education industry.

What technology does Castilleja School use?

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Castilleja School's tech stack includes Canva, WordPress, Adobe Experience Cloud, Google Cloud, Datadog, VMware, Piwik PRO Core and Zoom.

What is Castilleja School's email format?

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Castilleja School's email format typically follows the pattern of FLast@castilleja.org. Find more Castilleja School email formats with LeadIQ.

When was Castilleja School founded?

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Castilleja School was founded in 1907.
Castilleja School logo

Castilleja School

Primary and Secondary EducationCalifornia, United States201-500 Employees

Castilleja School operates as an independent, non-sectarian college-preparatory institution for girls in grades six through twelve, occupying a six-acre campus in Palo Alto, California. It is positioned as the San Francisco Bay Area's only non-sectarian all-girls middle and high school. The school holds accreditation from the Western Association of Schools and Colleges and participates in the National Association of Independent Schools, the National Coalition of Girls' Schools, and the College Board. 

In 2026, Kathy Layendecker, associate head of school for finance and operations, received the MACI Award.

Section iconCompany Overview

Phone number
SIC Code
7999 - Amusement and Recreation Services, Not Elsewhere Classified
NAICS Code
6111 - Elementary and Secondary Schools
Founded
1907
Employees
201-500

Section iconFunding & Financials

  • $1M - $10M

    Castilleja School's revenue is estimated to be in the range of $1M - $10M

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