{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T15:54:23Z","timestamp":1753890863971,"version":"3.41.2"},"reference-count":37,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T00:00:00Z","timestamp":1741737600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Big Data"],"abstract":"<jats:p>This study examines the impact of the COVID-19 pandemic on academic performance and student participation in the National High School Exam (ENEM) in the state of Par\u00e1, Brazil, focusing on the interaction between socioeconomic factors, access to technology, and regional disparities. The research employed a mixed-methods approach, analyzing quantitative data from ENEM results (2020\u20132022) and qualitative interviews with educators and students. The findings indicate that the pandemic exacerbated pre-existing educational inequalities, particularly affecting low-income students and those enrolled in public schools. The highest dropout rates were recorded among students with a family income of up to one minimum wage, highlighting the barriers posed by limited access to technology and infrastructure for remote learning. A statistical analysis revealed a 20% increase in scores among students with access to computers and the Internet, particularly in private schools. The study also found significant regional differences across Par\u00e1's mesoregions, with Maraj\u00f3 and Southeast Par\u00e1 facing more persistent challenges in reducing dropout rates compared to the Metropolitan Region of Bel\u00e9m. These results underscore the urgent need for region-specific public policies that address disparities in educational resources, including targeted investments in digital infrastructure and teacher training for remote education. The study concludes that comprehensive support programs, including psychological assistance for students, are essential for building a more resilient and equitable educational system capable of withstanding future crises.<\/jats:p>","DOI":"10.3389\/fdata.2025.1485493","type":"journal-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T07:51:23Z","timestamp":1741765883000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Use of Bayesian networks in Brazil high school educational database: analysis of the impact of COVID-19 on ENEM in Par\u00e1 between 2019 and 2022"],"prefix":"10.3389","volume":"8","author":[{"given":"Sandio Maciel Dos","family":"Santos","sequence":"first","affiliation":[]},{"given":"Marcelino Silva da","family":"Silva","sequence":"additional","affiliation":[]},{"given":"F\u00e1bio Manoel","family":"Fran\u00e7a Lobato","sequence":"additional","affiliation":[]},{"given":"Carlos Renato Lisboa","family":"Franc\u00eas","sequence":"additional","affiliation":[]}],"member":"1965","published-online":{"date-parts":[[2025,3,12]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"216","DOI":"10.3390\/educsci10090216","article-title":"E-learning critical success factors during the COVID-19 pandemic: a comprehensive analysis of e-learning managerial perspectives","volume":"10","author":"Alqahtani","year":"2020","journal-title":"Educ. 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