[Note 1] It aims to provide flexibility in the subjects taught to secondary school students in Brazil, establishing compulsory and optional disciplines.

At the time, he claimed that the secondary school curriculum was outdated, had too many compulsory subjects and didn't recognize the individual differences of the students.

Deputy Thiago Peixoto (PSD-GO) stated that the protests were partly due to misinformation about the content of the provisional measure.

[18] A citizen from Rio Grande do Sul sent a bill to the Federal Senate via the e-Citizenship Portal suggesting that philosophy and sociology become compulsory subjects in high school.

The demonstrators, mostly secondary school students, called on the Lula government to repeal the current model, while the Minister of Education, Camilo Santana, admitted that it was necessary to make "adjustments".

[16][20] In June 2021, the Ministry of Education announced the timetable for implementing the secondary school reform, which began in 2022 and ended in 2024, when the ENEM became aligned with the new format.