Scrape in
Definition 1 of 2
Pro Tip 1/3Achievement Struggle
Used when someone has had difficulties but ultimately succeeded. 
She scraped in her final exams after a year of hard work.
Pro Tip 2/3Last Minute
Implies a narrow success often at the last possible opportunity. 
He scraped in the application just before the deadline.
Pro Tip 3/3Marginally Qualify
Means qualifying by the smallest margin, lacking comfort or ease in success. 
They scraped in for the football playoffs by one point.