What researchers studied

Multi-district analysis of 22 math and reading academic-recovery interventions across eight school districts during the 2022–2023 school year. 22 math and reading interventions across eight districts, including tutoring and other academic-recovery approaches

What they found

  • Most interventions were delivered to fewer students and for less time than planned.
  • The researchers found positive effects for one tutoring program on math scores and two tutoring programs on reading scores, ranging from 0.22 to 0.33 standard deviations.
  • Each of the tutoring programs with positive estimated effects served only a very small share of the district's students and therefore was unlikely to drive district-wide recovery by itself.
  • The findings highlight both the promise of intensive academic support and the difficulty of implementing effective interventions at meaningful scale.

What the study does not prove

  • The report evaluates multiple heterogeneous interventions across districts; the positive tutoring estimates should not be generalized to every tutoring model.
  • The study does not establish that a specific number of tutoring hours alone caused the positive effects.
  • The programs with positive estimated effects reached relatively few students, so effectiveness for participants and scalability are separate questions.
  • These district recovery findings do not predict a specific Noor Lyra outcome.

Evidence strength: High-authority multi-district impact analysis from Harvard CEPR.

Why this matters for families

The study shows why families should ask two questions at once: Is the instructional approach strong, and is the learner actually receiving it consistently enough to matter?

Noor interpretation

How Noor translates the evidence into practice

A program should be judged by what students actually received, not only by what was scheduled or intended. Strong design can lose force when delivery, reach, targeting, or continuity break down.

Track planned versus completed sessions, identify the skill target for each intervention, respond quickly to attendance or implementation breaks, and verify whether progress appears in independent student work or assessment.

Read the original source

Noor links to the original or authoritative source so families can distinguish the evidence itself from our interpretation.

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Research notes

Harvard CEPRacademic recoverytutoringimplementationdosagestudent achievement

No single study determines a student's plan. Noor uses research as one input alongside the learner's goals, observed performance, academic context, and response to instruction.