Alaska Developmental Profile: Kindergartners 
The assessment is completed by the home educator, typically in September/October. It is mostly observational.
https://education.alaska.gov/assessments/developmental
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AK Star testing: Grades 3 - 9 for ELA (English Language Arts) and Math;  Grades 4, 8, and 10 also take the Science assessment.
Tests are done on the computer, usually around the first week of April. 
Alaska Department of Education and Early Childhood website about AK Star testing: https://education.alaska.gov/assessments/akstar