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EducationThe Gambia2023

School Feeding Impact Evaluation

World Bank DIME / WFP

Overview

The World Bank's Development Impact Evaluation (DIME) department partnered with the World Food Programme to assess the impact of a home-grown school feeding programme on student outcomes. The study employed a randomised controlled trial design with around 90 schools across Regions 3 and 6 of The Gambia.

2M Corp conducted multiple rounds of structured surveys with approximately 1,800 students — the same panel tracked across all rounds to create a longitudinal dataset. Selected rounds included extended modules with anthropometric measurements (height and weight). Core modules covered nutrition, wellbeing, cognition, and maths and reading assessments. Each round was completed within a three-week field period.

In parallel, monthly unannounced teacher attendance spot checks were conducted at all participating schools. Quality assurance included a re-visit subsample, audio audits of survey administrations, and real-time data validation protocols.

Impact

The multi-round data collection provided a rigorous evidence base for evaluating school feeding programme effects on student nutrition, health, cognition, and achievement — findings with policy implications for school meal programmes across similar contexts globally.

Services Delivered

Survey DesignData CollectionQuality AssuranceImpact Evaluation SupportField Management

Technologies Used

SurveyCTOStataRPower BIPostgreSQL

Gallery

School Feeding Impact Evaluation - Photo 1
School Feeding Impact Evaluation - Photo 2
School Feeding Impact Evaluation - Photo 3