School attendance data, laws and practical tools in one place.
Compare state attendance information, understand absence and truancy rules, explore district coverage, and use calculators built for everyday school attendance questions.
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Latest Guides
Do Suspensions Count Toward Chronic Absenteeism?Suspensions can count toward chronic absenteeism, but a suspension day is not automatically an absence in every attendance system. Out-of-school…Read Guide 
How Many Days Can a Student Miss School?There is no single U.S. rule that gives every student the same number of days they are allowed to miss…Read Guide Data & Coverage
Browse the state, law, district and reference material currently available on Absenteeism.org.
Published State Profiles
State attendance profiles currently available on the site.
Attendance Law Guides
Published state law and attendance requirement pages.
District Profiles
District-level pages currently available for lookup.
Guides & Definitions
Published explainers covering attendance concepts and practical questions.
Built for clear attendance research
Data Clarity
School years, reporting periods and source context are kept visible so figures are easier to interpret.
Practical Tools
Calculators turn common attendance questions into quick estimates without requiring student identifiers.
State-by-State Guidance
Attendance laws, chronic absenteeism data and local context are organized around the jurisdiction that matters.