Independent School Management

Clarity for what is.
Counsel for what's next.

Our website is temporarily unavailable. Reach our team for membership, consulting, surveys, and professional development for your school.

Call (302) 656-4944 Contact information

Website update in progress. Member resources, event pages, and online tools will return shortly. For help in the meantime, call or email us.

About ISM

Build schools families choose, stay with, and believe in.

Since 1975, ISM has partnered with K–12 private-independent schools through research, consulting, and practical tools built for heads, boards, and program leaders.

We connect mission, leadership, enrollment, finance, culture, and governance into one coherent strategy—so you can lead with clarity.

School leader in an office holding a tablet

How we help

Core services

  • Membership

    Research-backed strategies, Ideas & Perspectives, and community access for private school leaders.

  • Consulting

    Virtual and onsite consulting tailored to governance, advancement, finance, and school leadership.

  • Surveys

    Parent, student, faculty, enrollment, and leadership surveys to guide mission-aligned decisions.

  • Professional development

    Summer Institute, Advancement Academy, Heads Retreat, webinars, and virtual workshops.

Get in touch

Contact ISM

Our team is available Monday–Friday, 8:30 a.m.–4:00 p.m. ET.

Phone (302) 656-4944 Membership & general schoolsuccess@isminc.com Events & registration events@isminc.com
Fax (302) 656-0647
Address 2207 Concord Pike, #417
Wilmington, DE 19803