Study Abroad

No, it is not that difficult to get into Kansas, as the acceptance rate is 88%. This acceptance shows that the university is offering admissions to many of the applicants if they meet the requirements. 
Please look at the KU admission requirements given below: 
A good GPA
Extracurricular activities
LORs
Essay
Good performance in GMAT or the GRE

The University of St Andrews is among the top ranked universities worldwide. St Andrews University offers more than 900 undergraduate and around 500 postgraduate programs for its international and Indian students. According to Shiksha Popularity Ranking, University of St Andrews has an overall ranking of #139 in world and #16 in UK. Also, University of St Andrews is ranked by top ranking authorities worldwide that are shown below:

According to unofficial sources, acceptance rate of this university is 29% which shows that admission process is bit hard and university is bit strict while admitting students. Students must make sure to meet academic requirements and English language requirements according to basic eligibility criteria and submit documents necessary for admission process. 

Students must have an idea of the expenses they have to bear, especially while planning to study overseas. Except tuition fees, students must also have funds to cover daily expenses. The following table lists the estimated cost of living at University of Oklahoma:

The university fo Oklahoma admits students on the basis of many factors and GPA is one of them. It is a mandatory academic requirement for a candidate to get admitted by the university. A minimum GPA of 3.0 out of 4.0 is required by the university, at both UG and PG level programs. Some programs might have even higher  requirements depending on teh demand onf the programme hence students must refer to the officila programme page for  programme specific requirements. Other factors include meet the english proficiency scores as per the programme chosen and submitting all the documents needed for admission.