Even though you should strive to attain the highest GPA possible, you should not take easier classes for the purpose of boosting your GPA. Colleges look at the academic areas and assign different weights to various classes. A college may calculate its own GPA based on what it considers academic courses.
In general colleges look at the criteria below in the following order:
Courses taken - type and degree of difficulty
Class rank and GPA (If no rank is reported, colleges look more closely at other criteria.)
SAT or ACT scores
Recommendations from teachers and counselors
Clubs, activities, leadership, awards, honors, job experience
The GPA is important only after the college considers the courses taken by the student. GPA is figured as follows for regular courses:
A = 4 B = 3 C =2 D = 1
A- = 3.7 B- = 2.7 C- = 1.7 D- = .7
B+ = 3.3 C+ = 2.3 D+ = 1.3
Honors/AP courses are weighted with an additional full or half point prior to averaging, e.g. A=5, A-=4.7, etc. Add the number of points corresponding to each grade received and divide the total by the number of credits received.