Girls, Girl with boyfriend thinks i’m into her, I’m not and I don't know what to do?

i think this girl thinks i like her just bc i stare near her direction but i’m staring at teacher. My head is kinda pointed to her direction but not exactly at her , My eyes are on the teacher. The teacher told someone to stop drawing and the girl just turned around and looked at me for 2 seconds with wide open smile cuz she thought i was staring, i shifted my eyes to her her and she just turned back to normal quickly then she looks back at me for a second again and quickly turns back to normal. She also turned/looked at me like a third time before.

Next day, my class did assignment and we could work with people. She sat next to her friend and she was sitting behind me (the girl who stared at me). I went to ask teacher something, when i walk back to my desk i took a glance around and she’s already staring at me but her face down. She had a normal expression, she didn’t look away. I seen her with her boyfriend before and it’s awkward , she once was smiling and i feel like she’s gonna think i’m jealous or something when i’m not into her. Lately i stopped looking at her direction but sometimes i look at her on accident. One time at lunch tho she went close to me with her boyfriend too. Then her boyfriend left for a bit and she just stayed around.

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Also she seems to love her boyfriend a lot since they hang out a lot and have socials of there relationship so i don’t think she’s into me. I think she’s possibly creeped out
Girls, Girl with boyfriend thinks i’m into her, I’m not and I don't know what to do?
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