Trajectory
Age-grade distortion (how students progress through grades) · 2024 INEP census
Age-grade distortion (TDI) by stage
Percentage of students who are 2 or more years older than the expected grade for their age — a key indicator of how often students repeat or fall behind. Lower is better. National averages: ~10% (anos iniciais), ~22% (anos finais), ~25% (ensino médio).
4.0%
Anos iniciais (1º-5º)
Very low
Very low
2.5%
Anos finais (6º-9º)
Very low
Very low
3.3%
Ensino fundamental
Very low
Very low
—
Ensino médio
TDI per grade — Ensino fundamental
Distortion typically grows from one grade to the next as students who repeat accumulate. A steep upward slope signals students struggling to progress.
12.5%
1º
0.0%
2º
0.0%
3º
16.7%
4º
0.0%
5º
0.0%
6º
10.0%
7º
0.0%
8º
0.0%
9º
Teachers with higher-education degree (DSU)
% of teaching staff with a college degree (curso superior) per stage of education. Higher is better. Brazilian law (LDB) requires teachers in anos finais and ensino médio to hold a degree.
75.0%
Educação infantil
62.5%
Anos iniciais (1-5)
62.5%
Anos finais (6-9)