More than 4.8 million students are in the final stretch of preparation for the National High School Exam (Enem), which begins on Sunday, November 9. On the first day, test-takers will answer 90 multiple-choice questions in the areas of Languages and Humanities and write an essay—one of the most important parts of the exam, which can affect a student’s final score.

During this busy study period, students can use artificial intelligence (AI) tools to review material and improve their writing. One of this year’s new features is the MEC Enem app, launched by the Ministry of Education (MEC), which promises to help with the automatic grading of essays and the organization of study schedules.

MEC Enem is a free app that uses AI to grade essays based on the exam’s official criteria. It works simply: students write their essay by hand, take a photo of it, and submit it through the app. The system transcribes the text and, in about 60 seconds, grades the essay and returns a score report with suggestions for improvement and an estimated score.

In addition to essay grading, the app also offers:

• Learning paths organized by complexity and field of study; 
• Complete practice tests featuring questions from the ENEM exams; 
• A virtual assistant powered by artificial intelligence that creates personalized study plans and schedules and answers students' questions, based on exclusive content covering the subjects tested on the Enem.

The MEC Enem app is available for free on the Apple Store and Google Play, as well as via the web version at app.mecenem.mec.gov.br. To access it, simply log in with your gov.br account.

Folha de S. Paulo’s AI: More Than 50 Topics to Practice Writing

Another tool available to students is the Folha de S. Paulo’s AI, developed based on exercises from Colégio Farias Brito, the school that ranked first in performance among all schools on the 2024 Enem.

The platform is free and allows students to practice writing essays on topics from previous editions of the Enem or on topics suggested by teachers from across the country. There are more than 50 predicted topics for the 2025 exam.

Based on the five official competencies assessed by the Enem—understanding of the topic, text structure, defense of a point of view, mastery of standard language, and proposal for action—the tool provides detailed tracking of student progress. This allows students to identify their strengths and weaknesses, develop self-awareness, and correct mistakes in a practical and ongoing manner. The platform is available here.

Technology as an ally, not a substitute

AI tools have proven to be an excellent option for those who want to practice and receive quick feedback, but it’s important to remember that they are no substitute for the human touch. A teacher’s guidance remains essential for developing argumentation, expanding one’s repertoire, and refining writing style.

Sources: MEC and Olhar Digital.

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