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News Articles

National Substitute Educators Day
🤩 2025 National Substitute Educators Day!
11/14/2025
Read more »
Welcome Liberty ESD Subs!
Welcome, Liberty ESD Substitutes!
06/11/2025
Read more »

Who We Work With

Schools & Districts
Municipalities
State & Local Governments

Here are just a few of our clients...

Yuma School District One
Yavapai Country Education Service Agency
Washington Elementary School District
Vail School District
Tucson Unified School District
Tempe Union High School District
Tempe School District
Sunnyside Unified School District
Scottsdale Unified School District
Queen Creek Unified School District
Phoenix Elementary School District
Peoria Unified School District
Pendergast Elementary School District
Paradise Valley Unified School District
Mesa Public Schools
Marana Unified School District
Madison School District
Littleton Elementary School District
Litchfield Elementary School District
Isaac School District
Higley Unified School District
Glendale Elementary School District
Gilbert Public Schools
Florence Unified School District
Dysart Unified School District
Deer Valley Unified School District
Creighton School District
Chandler Unified School District
CFSD logo
Casa Grande Elementary School District
Buckeye Elementary School District
Amphitheater Public Schools
Alhambra Elementary School District

Top Navigation

  • Apply Now
  • Employee Login
  • Contact Us
  • Schedule a Visit

About Us

  • Who We Are
  • Careers
  • Stories & News

Join ESI

  • Substitute with ESI
  • Retire with ESI
  • A Day In The Life of a Substitute
  • New to Substituting
  • SubSource District Map
  • Requirements to Substitute in Arizona
  • Required Documents

Employee Resources

  • Employee Resources & Support
  • Employee Benefits
  • Professional Development
  • Payday Calendar 2025-2026
  • Document Upload
  • Substitute Feedback Form
  • Employee Portal
  • Required Documents
  • Time Sheet & Time Off Form

Client Solutions

  • Our Staffing Solutions
    • Encore Program
    • SubSource Program
    • InDemand Program
  • Substitute Teacher Evaluation Form

(480) 719-3271 • toll-free (844) 614-7784
14614 N. Kierland Blvd., Suite N230, Scottsdale, AZ 85254

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  • Home
  • Join ESI
    • Substitute with ESI
    • Retire with ESI
    • A Day In The Life of a Substitute
    • New to Substituting
    • SubSource District Map
    • Requirements to Substitute in Arizona
    • Required Documents
  • Client Solutions
    • Our Staffing Solutions
      • Encore Program
      • SubSource Program
      • InDemand Program
    • Substitute Teacher Evaluation Form
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