ANSWER:

If the prayers are the type of prayer that can be delayed and combined to the following prayer, then you should do that and make ghusul when you reach your home. 

If not, you can make tayammum and pray on time. 

QUESTION: My menses are irregular so the purity can come on any day. If i have midterm exams or tests in college during the days my period may end what shall i do? Miss the tests? If the period ends during the exams and i reach home with not enough time to do ghusl and pray ?

Prayer |