Explore the evidence
0 of 88 decisions · clear everything
Survives the gold standardIndependent, durable, rigorousThe debunked shelfCheap winsFor parents at homeFamous numbers, deflatedWhere we admit ignoranceThe terrain
survival prior
Your situation · from the applicability layer — absence means “not yet assessed,” never “doesn’t apply”
who's delivering
group / setting
Nothing matches. Where a filter finds nothing, the honest reading is “not yet read,” never “no evidence exists” — see the coverage map for what remains unread.
Not yet assessed for this question · 10
- Acceleration and gifted programs — the label vs the content
- Class-size reduction
- Curriculum choice as a school-level lever
- Grade retention — holding a child back versus promoting, and test-based promotion policies
- Ability grouping and tracking — four practices, four verdicts
- Length of the school day and year, time-on-task, extended time, and summer
- Preschool at scale — Head Start, state pre-K, and what universal provision delivers
- School spending, charters, and what school-level choices actually move outcomes
- School starting age, relative age, and academic redshirting
- Teacher quality — selection over credentials and workshops
The URL is the state — any view you build here is a permalink you can hand to someone mid-argument.