A senior is hitting on me

𝓜𝓪𝓭𝓲

At my high school there is a senior lets call him john and then theres me im just starting as a junior.. He is telling all of his friends that he cant wait for me to start. I kinda of have a bad feeling about him and he is always dming me that im hot and sexy and stuff like that, im not sure what to do can anyone help?