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Figure 2.

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Figure 8.

Students and teachers sample of the two editions of the MineClass project (questionnaire completed)
| Year | Sample | Gender | School grade |
|---|---|---|---|
| 2019 | Students N = 1,634 | F (students) = 803 (49%) | Primary = 60.5% |
| Teachers N = 122 | |||
| 2021 | Students N = 630 | F (students) = 286 (45%) | Primary = 45% |
| Teachers N = 59 | |||
| Total | All students N = 2,264 | F = 1,089 (48%) | Primary = 53% |
| Teachers (follow-up) N = 237 |
