Hi {studentfirstname},
Here at (company_name) we conduct business in an engaging, supportive, and comfortable environment where employees are collaborative and friendly. 
We wanted to invite you to come visit our offices so you can see what it is really like during a normal workday at (company_name). Hopefully by getting an in person experience you will be able to picture yourself working here some day!
If this is of any interest to you, please let me know. We would be happy to set up a time for you to come visit us. 
I hope to hear back from you!
(your_name)