Tomorrow morning an estimated 143,000 anxious students will sit NCEA exams - if they all turn up.
Last year 3000 failed to show up for their big day. The main reasons were family emergencies, illness and transport problems.
Nutritionist Nikki Hart said students should eat for exams just as athletes prepared for an event.
For a morning exam Hart said proteins and carbohydrate the night before - such as macaroni cheese or spaghetti bolognaise - would be good.