My classmate found out that I’m agnostic do u think she might tell my mom? I don’t really trust her?

we were talking while walking around the school yard and then she randomly brought up religion she was like "I wanna go to heaven so I pray and follow allah’s rules" and I was like “how can u be so sure tho? heaven and hell might exist or they might not u shouldn’t be that sure about it” she looked at me and said “aren’t you muslim? muslims believe in that" she paused for a second and then said “i already knew u weren’t muslim” if my family finds out about this they’ll kill me im scared

My classmate found out that I’m agnostic do u think she might tell my mom? I don’t really trust her?
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