Casual racism at school

I had to put up with casually racist comments from classmates on numerous occasions when I was at school. They would mock foreign accents. They would refer to the corner shop near our school as a “P*ki shop.” They would use the N-word “ironically.” I felt outnumbered, and just wanted to fit in, so I ended up never challenging their behaviour for fear of being ostracised. I didn’t realise how toxic that environment was until very recently. I rarely (if ever) speak to anyone I went to school with, and thankfully am now in a position where I can prioritise sharing my time with people who are anti-racist.