Level equivalents are as follows:
Level 0 - Preschool
Level 1 - Kindergarten
Level 2 - 1st-2nd
Level 3 - 3rd-5th
Level 4 - 6th-8th
Level 5 - 9th-12th
Some progress monitoring tests have been leveled based on complexity of vocabulary and content vs. grade level.
Updated over a week ago