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From Chalkboards to Chatbots: Evaluating the Impact of Generative AI on Learning Outcomes in Nigeria — World Bank

Revision b1539493-8666-4745-95ed-ac9e6aa96208 · 9/26/2026, 3:06:47 PM UTC
Key
desimone-2025-chalkboards-chatbots
Authors
De Simone, Martín; Tiberti, Federico; Barron Rodriguez, Maria; Manolio, Federico; Mosuro, Wuraola; Dikoru, Eliot Jolomi
Issued
2025-5
Type
report
Publisher
World Bank
Publisher place
Washington, DC
Raw CSL JSON
{
  "URL": "https://documents.worldbank.org/curated/en/099548105192529324/pdf/IDU-c09f40d8-9ff8-42dc-b315-591157499be7.pdf",
  "note": "Version updated December 2025",
  "type": "report",
  "title": "From Chalkboards to Chatbots: Evaluating the Impact of Generative AI on Learning Outcomes in Nigeria",
  "author": [
    {
      "given": "Martín",
      "family": "De Simone"
    },
    {
      "given": "Federico",
      "family": "Tiberti"
    },
    {
      "given": "Maria",
      "family": "Barron Rodriguez"
    },
    {
      "given": "Federico",
      "family": "Manolio"
    },
    {
      "given": "Wuraola",
      "family": "Mosuro"
    },
    {
      "given": "Eliot Jolomi",
      "family": "Dikoru"
    }
  ],
  "issued": {
    "date-parts": [
      [
        2025,
        5
      ]
    ]
  },
  "number": "11125",
  "publisher": "World Bank",
  "publisher-place": "Washington, DC",
  "collection-title": "Policy Research Working Paper"
}

Claims

  1. Of 657 students assigned to treatment and 671 to control, only 422 and 337 respectively completed the final assessment.
    "Initially, 657 students were assigned to the treatment group and 671 to the control group. However, only 422 students in the treatment group and 337 in the control group completed the final assessment"
    Locator: section: Sample and Randomization · Quote language: en
  2. A six-week, teacher-guided after-school English program using Microsoft Copilot (GPT-4) in nine public schools in Benin City, Nigeria, improved overall assessment scores by 0.31 standard deviations and English scores by about 0.23 standard deviations.
    "The intervention demonstrated a significant improvement of 0.31 standard deviation on an assessment that included English topics aligned with the Nigerian curriculum, knowledge of artificial intelligence and digital skills. The effect on English, the main outcome of interest, was of 0.23 standard deviations."
    Locator: section: Abstract · Quote language: en
  3. The authors estimate that the six-week pilot produced learning gains equivalent to 1.5 to 2 years of business-as-usual schooling.
    "The six-week pilot generated learning gains that take between 1.5 and 2 years in a business-as-usual scenario."
    Locator: section: Introduction · Quote language: en
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