Marcus Delacroix-Huang

Trace SAT mistakes to their root cause, not just question type.

Diagnostic protocols turn practice test data into targeted study plans.

Teach thesis first, then evidence, then complexity—in that order.

Formative practice must mirror the digital SAT's micro-text format to prepare students effectively.

Students often study their hardest subjects instead of their weakest ones.

When students feel confident, they're often wrong about it.

Frequent formative assessments don't boost AP scores without strategic timing and design.

Match your intervention size to how many students actually have the gap.

Subscores reveal which skills actually need help, turning vague weakness into targets for teaching.

Time-on-task masks four different mental states that only one involves actual learning.

Teachers can diagnose shared misconceptions by sorting FRQs by error type, not grade.