Use this spreadsheet to figure out about what your EFC will be. The author has preprogrammed the formulas used in the FAFSA. 

Recent FAFSA Walkthrough. Produced 10.3.2021 by Road2College. 

Start with Why Your EFC Should be How You Start Your College Search from DIY Rankings. And, view the video or the slides from a Fall 2020 EFC Presentation by George Schneider. For extensive detail on how colleges calculate EFC, see FAFSA EFC vs. Institutional EFC. 

Customize this spreadsheet to forecast your EFC by following these instructions. By George Schneiderman Fall 2020. 

ONLY use this .gov site to complete your FAFSA! 

The CSS Profile is completed through the College Board.

A few hundred schools use the Profile. Consult the list. 

Khan Academy-produced videos for each section.