If you're planning a bit of sightseeing head to Xi'an Bell Tower— just one of the monuments in Xi’an City Center. You could also start your cultural experience by heading over to the museums in the area. It's also full of great shops and restaurants, so you can spend the afternoon having a wander.
If you'd like to get a taste of Xi'an student life, check out Xi'an Jiaotong University in Beilin. It's also full of great shops and restaurants, so you can spend the afternoon having a wander.