Which organizations are required to file a Schedule A along with the Form 990-EZ?

Not all organizations that file IRS Form 990-EZ are required to file and attach Schedule A.
 
Here is a list of organizations that must include a Schedule A along with Form 990-EZ:

• Section 501(c)(3) organizations.
   
• Public Charities.
   
• Organizations that comes under sections 501(e), 501(f), 501(j), 501(k), or 501(n).
   
• Section 4947(a)(1) non-exempt charitable trusts that are not treated as Private Foundations.