High School

In What is AP?, we looked at the organization that has created one of the world's most popular college prep programs. This companion article will look at the other college preparatory program known as IB. The organization behind the IB program, the International Baccalaureate Organization, was founded in 1968. With its headquarters in Geneva, Switzerland, the IB Organization serves over 1.3 million students in 147 countries.

What is the IB?

Most people think of the IB or International Baccalaureate as the organization which sponsors the highly-regarded college preparatory IB Diploma Programme. Indeed the IB Diploma is where it all started. The IB Diploma is the college preparatory component of a curriculum that begins early childhood and ends with pre-college and pre-career programs.

The International Baccalaureate Organization has grown into four programs: Primary Years, Middle Years, Diploma, and IB Career-related Programmes. This, then, is one of the major differences with Advanced Placement. Practically speaking, Advanced Placement encompasses only the college preparatory years in the academic continuum, although it now offers a Pre-AP designed to encourage students. The IB Organization offers programs that begin with 3-year-olds and end with college preparatory and career-related diplomas.

The IB Diploma Programme

Since you are interested in finding out the similarities and differences between the two top college prep academic programs, let's look under the hood of the IB Diploma Programme and find out what's involved. Essentially the IB

This article has been updated to reflect 2026 data and recent developments.

AP or Advanced Placement Program, is a program of high school coursework offered by the College Board in 40 subject areas. The idea behind offering AP courses is to provide college-bound high school students with a level academic playing field. You see, it doesn't matter whether you are a high school student in Dubuque, Iowa, or Darien, Connecticut; AP courses and the end-of-course examinations are the same wherever they are offered. The course content is the same. The teaching objectives are the same. The preparation for the final examinations is the same. Because the standard is the same everywhere and the final examinations are administered and scored by the College Board, college admissions professionals can compare student academic achievements with confidence. They know exactly what AP means when they see it on your transcript. They know exactly what your AP scores represent.

This brief video explains the impact of AP credit and placement.

That is the intrinsic value of AP Courses and their examinations from a college admissions point of view. Admissions professionals want to know that the math courses that an applicant took at a public high school in Kansas are the same as those an applicant from a private school in Tennessee took. In other words, they want to compare apples to apples. When one applicant is offered