Is it too risky to make my Instagram unprivate??

[CRAZY]

I'm a 14 year old girl. My mom is kinda strict about social media and she's always really worried that I'm not being safe on the internet. I am VERY responsible and I wouldn't talk to anybody that I didn't know. My mom makes me have a private Instagram account. None of my friends have private Instagram accounts. I do post "selfies" and I have my kik and snapchat usernames displayed on my profile. I really don't want my Instagram to be private because I don't have very many followers and I want more. Do you think it's a big deal if I make my account unprivate? If someone follows me who seems creepy I can just block them can't I? I'd also be willing to remove my Kik and snapchat information from my profile if it would be too risky to have it be accessible by strangers. Pretty much everybody that has sent me follow requests have been kids my age that I know or people that I've crossed paths with at some point or another