Are Guys Highschoolers nice in Mangalore ? (10, 11, 12)

I am moving to Mangalore this march and i have been in a girls and boys diff classes school (we get very very segregated even a small talk is not allowed and is a taboo)for my whole life, gonna join co-ed so guys i wanna know some tips and wanna know how ppl are there and yah. Are they cool and chill? I am really shy and awkward around guys so yah. need tips