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Starting preschool at age 3: a boost for kids and moms in kenya?

NCT ID NCT07506603

Knowledge-focused Sponsor: Yale University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether letting children start preschool at age 3, instead of the usual age 4, improves their learning and helps their mothers find work. Researchers worked with over 2,000 families in rural Kenya. They measured children's thinking and language skills, and tracked mothers' jobs and income.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

2,017 people

The number who actually took part.

Started

Dec 2023

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

3 to 5 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: School level: * schools must offer PP1 classes * schools must have sufficient available capacity and some level of infrastructure provision to support an additional 5-8 children (3-year-olds), and * should not have more than five 3-year-olds already in attendance of the PP1 class in the year prior to the intervention, nor a playgroup offered by the school Household/child level: * have children who will turn approximately 3 years old by the start of the academic year * have demonstrated a willingness to send their children to the local school for the relevant fee. * households within a 3 km radius of all eligible schools. Exclusion Criteria: \-

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Early childhood development Early education

Contacts and locations

Locations

  • School system

    Tharaka Nithi County, Kenya

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Other studies related to the condition(s) this trial covers.