About
About the EDC
FAQs
Contact Us
Sign In
Donate
Access the Data
Codebook & Downloads
API
Data Queries
Resources
EDC Data Reporting Recommendations
Explore Assessment Data with Zelma (AI)
FAQ
Frequently asked questions about Zelma.
Background
What is EDC?
Who is EDC for?
Where do the data come from?
Who created EDC?
How can I create a EDC account?
Summative Assessments
What assessments does EDC include?
My state adopted a new assessment recently. Can I still see prior achievement data?
How do states define proficiency?
How does EDC account for changes in assessment administration?
How is EDC different from other sites that have state assessment data?
Data Availability
What is new about EDC Version 2.0 compared to Version 1.1?
How can I get notified about data updates?
What states are included as part of EDC?
What subjects does EDC include?
What school years are available as part of EDC?
What grades are available?
What student subgroups are available in the data?
How does EDC define the student subgroups?
What variables are included in the data?
Does EDC include student-level information?
What kinds of schools are included in the datasets?
Will more data be added to EDC?
Using EDC
What can I do with EDC?
Are proficiency data comparable across states?
What datasets are available to download?
How do I share my queries?
What if I am not seeing anything appear for my query?
AI-powered EDC
What kind of output can EDC produce?
How does EDC work?
How does EDC handle data suppression?
Other
How do I contact EDC?
Subscribe For Updates
Subscribe to Data Updates
Yes! Sign me up.
Copyright © 2025 EDC
Quick Links
About
Contact Us
Explore Assessment Data with Zelma (AI)
Codebooks & Downloads
API
Resources
Terms of Service
Donate
