A good paper from Zhang Zherui Lawyer http://www.hooyou.com/f-1/140filing.htm
He imply that student can apply I-485.But the decsion is yours.
The Impact of I-140/485 Filing on F-1 Students
The purpose of this memo is to shed some light on the issues of nonimmigrant
intent requirements in connection with applying F-1 visa abroad and
maintaining F-1 status within the United States . It also addresses the
impact of filing I-140 and I-485 petitions on maintaining F-1 status, as
well as applying fo