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World Bank · Education

Tonga: Lower secondary school starting age

12years · 20250.0% since 2015

Lower secondary school starting age is the age at which students would enter lower secondary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade. Annual figures for Tonga from 1970 to 2025.

19862025

Every year

YearValue (years)Note
202512
202412
202312
202212
202112
202012
201912
201812
201712
201612
201512
201412
201312
201212
201111
201011
200911
200811
200711
200611
200511
200411
200311
200211
200111
200011
199911
199811
199711
199611
199511
199411
199311
199211
199111
199011
198911
198811
198711
198611
198511
198411
198312
198212
198112
198012
197912
197812
197712
197612
197512
197412
197312
197212
197112
197012

Source

Published by World Bank, produced by UNESCO. Licence: CC BY 4.0. Retrieved 2026-11-07.

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Cite or download

World Bank (2026). Lower secondary school starting age. Interva. https://interva.co/dataset/worldbank-lower-secondary-school-starting-age (accessed 2026-11-07). catalog snapshot 2026-11-07.

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Tonga: Lower secondary school starting age (1970–2025) · Interva