Tier 1 Tier 2 Tier 3 Vocabulary on Kid-Inspired ELL Assessment
Tier 1 words are just basic common everyday spoken words. Tier 2 are still high frequency but are often more abstract, have multiple meanings, and/or appear more in texts than in speech. Tier 3 words are low-frequency and very context specific like words for science, space, history, etc. The words on the assessment are not labeled as to which words they are, though most of the time it should be pretty obvious. It is up to you to decide what you're looking for from a student in your context. Here's a PDF that might be helpful:
https://www.kirtlandschools.org/Downloads/182_VocabularyTiers.pdf
Let me know if that helps or if you have any other questions.