What you actually need on ENEM day
You don't need anything fancy. The ENEM is notoriously strict about what you can and can't bring, and the rules have gotten tighter over the years. I've been helping students prepare for years, and I still see the same mistakes being made before every application window closes. Let's get straight to the point about oque precisa levar pro enem so you're not scrambling the morning of the exam.
Primary identification document
This is the single most important thing. You must bring one of these: originalRG (identidade funcional is also accepted), Carteira Nacional de Habilitação, certificado de reservista, passaporte válido, or a CTPS with photograph. The key detail most people miss: it has to be the ORIGINAL document. A photocopy won't work. A photo on your phone won't work. Your ID also needs to be valid — expired IDs are sometimes accepted if they're within a few months of expiration, but don't risk it. I remember one student who showed up with her old RG from when she was 15, the photo looked nothing like her, and she was sent away. Had to do a backup registration process that cost money and took three hours. Tip: check if your document has your CPF number printed on it. Some state RGs from smaller states don't include it, and while the ENEM usually accepts them, it's better to bring one that clearly links to your identity across all systems.
Black ink pen
The exam requires a transparent-cased ballpoint pen with black ink. Not blue. Not red. Transparent case is mandatory now because the proctors need to see there's nothing hidden inside. The pen itself is provided during the exam — you don't bring your own for writing. But bringing your own personal pen to use while waiting or for scratch paper is fine, as long as it goes into your clear bag. Some students bring a backup just in case the one provided has issues, though I've never seen anyone actually end up using their own pen on the redações.
Food and water
You can bring food and water into the exam room. The water bottle has to be transparent and the label must be removed or covered. Same with any snacks — packaging needs to be transparent or the label needs to be taken off. I usually recommend a small bottle of water, a banana, and some nuts or crackers. The exam runs about six hours on the first day and six on the second, with breaks in between, but the actual sitting time is long enough that you'll need energy. Students who skip eating beforehand tend to lose focus by the third hour of the essay section.
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Confirmation slip
Print your confirmação de inscrição from the INEP website. This goes in the transparent envelope you'll receive at the exam center. Without it, you'll waste time at the door trying to get a replacement, and those queues move slowly. If your confirmation shows a different city than where you live, double-check it immediately — sometimes there are scheduling conflicts or center assignment errors that you can fix before exam day.
Face mask
The mask requirement has shifted back and forth depending on health conditions at the time of each edition. For the current cycle, it's still recommended to bring one even if it's not mandatory. Better to have it and not need it than to be turned away if the requirement reappears without notice.
What you definitely should NOT bring
Electronics of any kind. Phones, smartwatches, tablets, hearing aids are fine if they're part of accommodations you've already requested, but regular earbuds, Bluetooth headphones, and especially smartwatches will get you confiscated at the entrance. Metal objects too — some centers have metal detectors. I once saw a student bring a decorative bracelet with metal accents and had to wait 40 minutes while they sorted out whether it counted as a prohibited item. Reference materials. No calculators, no formula sheets, no cheat notes. The ENEM is a closed-book exam across the board. They scan everything you bring, and anything suspicious leads to disqualification.
O que precisa levar pro enem na prática
Here's the list in order of what you actually pack in the morning: original ID, confirmation slip, transparent pen (just for comfort), transparent water bottle with label removed, a small snack in clear packaging or transferred to a ziplock bag, face mask in your pocket, and your ticket/printout showing your exam center location and address. That's it. Don't overpack. The fewer items you have, the faster you get through security, and those lines at the entrance can stretch for an hour on a hot morning. The biggest waste of time most students face is the document check at the entrance. If your ID photo doesn't match you or your name has a typo compared to your registration, they can and will deny entry. Cross-check everything at home before you leave. One letter mismatch between your document and your INEP registration is enough to cause a scene at the door.
Also, arrive at least 2 hours early. The ENEM gates open around 7 AM for exams that start at 8 AM, and security checks are thorough. People who show up at 7:30 often get there just in time to panic, and a panicked candidate makes worse decisions. I've personally had students forget their confirmation slips and have to run back home, missing critical prep time on the day of the exam. It happens more often than you'd think.