A teacher implements a 'Check-In/Check-Out' (CICO) system for a student with chronic tardiness and off-task behavior. CICO is primarily categorized under which MTSS tier?
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A
Tier 1 โ Universal supports for all students
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B
Tier 2 โ Targeted supports for at-risk students
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C
Tier 3 โ Intensive individualized intervention
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D
Tier 4 โ Special education placement