What share of teenagers in Diadema are in school?

Among young people aged 15 to 17 in Diadema, 85.2% were attending school or college at the 2022 census, the 133rd lowest of 320 major Brazilian cities (Brazil: 85.2%).

What share of pupils pass the school year in Diadema?

98.0% of pupils in the 6th to 9th grades of public schools in Diadema passed the 2025 school year (Brazil: 95.7%); 9th-graders averaged 258.6 in mathematics and 262.3 in Portuguese on the Saeb tests (Brazil: 256.2 and 258.1).

Education in Diadema, Brazil: official figures

At the 2022 census 98.7% of children aged 6 to 14 in Diadema were attending school, the 122nd highest of 320 major Brazilian cities and the 1985th lowest of Brazil's 5,570 municipalities (Brazil: 98.3%; São Paulo state: 98.3%).

Children aged 6-14 attending school

98.7%

2022

Ideb, public schools, 1st-5th grade

6.9

2025

Ideb, public schools, 6th-9th grade

5.2

2025

How many young children in Diadema attend pre-school or crèche?

91.0% of children aged 4 and 5 in Diadema attended pre-school or school in 2022 (the 93rd highest of 320 major Brazilian cities; Brazil: 86.7%), and 46.7% of children under 4 attended a crèche or school (the 56th highest of 320 major Brazilian cities; Brazil: 33.9%).

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

What is the Ideb score of Diadema?

Public primary schools in Diadema scored 6.9 on the Ideb, the Ministry of Education's 0-10 index of pass rates and test results, for the early years (1st to 5th grade) in 2025, the 33rd highest of 320 major Brazilian cities (Brazil's public schools: 6.1). The score was 6.3 in 2023 and 6.5 in 2019.

Source: Instituto Nacional de Estudos e Pesquisas Educacionais Anísio Teixeira (Inep), Ministry of Education · saved copy

How do 5th-graders in Diadema do in the Saeb tests?

In 2025, 99.5% of pupils in the 1st to 5th grades of Diadema's public schools passed the school year (Brazil: 98.0%), and 5th-graders averaged 247.5 in mathematics and 231.9 in Portuguese on the national Saeb tests (Brazil: 227.4 and 215.1).

Source: Instituto Nacional de Estudos e Pesquisas Educacionais Anísio Teixeira (Inep), Ministry of Education · saved copy

How do public schools in Diadema score for 6th to 9th grade?

For the later years of primary school (6th to 9th grade), Diadema's public schools scored 5.2 on the 2025 Ideb, the 118th highest of 320 major Brazilian cities (Brazil's public schools: 5.0), against 5.2 in 2023.

Source: Instituto Nacional de Estudos e Pesquisas Educacionais Anísio Teixeira (Inep), Ministry of Education · saved copy

How Diadema compares with other cities in Brazil

Children aged 6-14 attending school (%) (2022)

Diadema ranks 122 of 320, highest first.

Rank	City	Children aged 6-14 attending school (%)
119	Santana de Parnaíba	98.7%
120	Garanhuns	98.7%
121	Itapipoca	98.7%
122	Diadema	98.7%
123	Itaboraí	98.7%
124	São Pedro da Aldeia	98.7%
125	Contagem	98.7%

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

Children aged 4-5 attending pre-school or school (%) (2022)

Diadema ranks 93 of 320, highest first.

Rank	City	Children aged 4-5 attending pre-school or school (%)
90	São Paulo	91.0%
91	Bauru	91.0%
92	São José	91.0%
93	Diadema	91.0%
94	Maracanaú	91.0%
95	Americana	91.0%
96	Caucaia	90.9%

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

Young people aged 15-17 attending school (%) (2022)

Diadema ranks 188 of 320, highest first.

Rank	City	Young people aged 15-17 attending school (%)
185	Santos	85.3%
186	Olinda	85.3%
187	Betim	85.2%
188	Diadema	85.2%
189	Parauapebas	85.2%
190	Chapecó	85.2%
191	Manaus	85.2%

Source: Instituto Brasileiro de Geografia e Estatística (IBGE) · saved copy

Ideb, public schools, 1st-5th grade (2025)

Diadema ranks 33 of 320, highest first.

Rank	City	Ideb, public schools, 1st-5th grade
30	Cambé	7.0
31	Curitiba	6.9
32	São José dos Campos	6.9
33	Diadema	6.9
34	Ponta Grossa	6.9
35	Mogi Guaçu	6.9
36	Toledo	6.9

Source: Instituto Nacional de Estudos e Pesquisas Educacionais Anísio Teixeira (Inep), Ministry of Education · saved copy

Ideb, public schools, 6th-9th grade (2025)

Diadema ranks 118 of 320, highest first.

Rank	City	Ideb, public schools, 6th-9th grade
115	Santos	5.2
116	Mauá	5.2
117	Betim	5.2
118	Diadema	5.2
119	Petrolina	5.2
120	Caruaru	5.2
121	Suzano	5.2

Source: Instituto Nacional de Estudos e Pesquisas Educacionais Anísio Teixeira (Inep), Ministry of Education · saved copy

More on Diadema: overview · economy and jobs · health · poverty and living standards · government budget · all cities in Brazil

Sources

Instituto Nacional de Estudos e Pesquisas Educacionais Anísio Teixeira (Inep), Ministry of Education: Ideb 2025, primary school late years (6th-9th grade): pass rates, Saeb scores and Ideb 2005-2025 by municipality and school network (spreadsheet from the zip download), read 23 October 2026 · saved copy (SHA-256 0a54ddd30107…)
Instituto Nacional de Estudos e Pesquisas Educacionais Anísio Teixeira (Inep), Ministry of Education: Ideb 2025, primary school early years (1st-5th grade): pass rates, Saeb scores and Ideb 2005-2025 by municipality and school network (spreadsheet from the zip download), read 23 October 2026 · saved copy (SHA-256 e132cd0ab831…)
Instituto Brasileiro de Geografia e Estatística (IBGE): Censo Demográfico 2022: gross school attendance rate by age group (0-3, 4-5, 6-14 and 15-17), Brazil, states and municipalities (SIDRA table 10056), read 23 October 2026 · saved copy (SHA-256 4966e323affd…)

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