The \u00cdndice de Desenvolvimento da Educa\u00e7\u00e3o B\u00e1sica (IDEB) combines SAEB standardised test scores with approval rates into a 0–10 quality index. Published biennially by INEP.
Final Years (6th–9th grade)
IDEB (2021)
4.5
SAEB Mathematics
232.7
2021
SAEB Portuguese
234.8
2021
Approval rate
100.0%
2021
IDEB score — Final Years (6th–9th grade)
Early Years (1st–5th grade)
IDEB (2017)
5.5
SAEB Mathematics
212.6
2017
SAEB Portuguese
201.2
2017
Approval rate
97.0%
2017
INEP — IDEB / SAEB
Approval & Dropout Rates
Annual school flow rates from INEP. Approval = promoted; Dropout = abandoned; Retention = repeated.