A Levels College, School News

A Levels vs. IB Diploma: Which Path is Right for My Child?

13-04-2026

Choosing between the International Baccalaureate (IB) and A Levels is one of the most significant decisions a family in Geneva will make. Here are the answers to the most frequent questions we receive at BSG.

Is the IB “better” for international universities?


No. Both qualifications are held in equal high regard. While the IB is known for its breadth, A Levels are prized for their depth. A Level vs IB comparisons often highlight that A Levels are prized for their depth. Universities in the UK, USA, and Europe appreciate that A Level students have already begun to specialize in their chosen field of study.

My child is a “polymath” and likes all subjects. Should they do the IB?


If a student truly enjoys studying six different subject groups (including a second language and a lab science), the IB is a valid choice. However, many students find that the IB’s compulsory breadth can lead to “burnout.” A Levels allow students to remain well-rounded through extracurriculars and leadership roles (like our Senior Prefects) without the pressure of six sets of exams.

Which system is better for science and medicine?


A Levels are often preferred for highly technical degrees like Medicine or Engineering. Because A Level students can take Biology, Chemistry, and Maths simultaneously, they often enter university with a higher level of foundational knowledge in those specific areas than IB students, who must balance those sciences with unrelated subjects.

How do the grading systems compare? 


The IB uses a point system (up to 45), while A Levels use letter grades (A* to E). While the math of conversions varies by country, an A* or A at A Level is universally recognized as a mark of elite academic achievement.

Summary: A Levels vs IB at a blance (comparison table)

 

Feature A Levels (BSG) IB Diploma

Number of Subjects

3 to 4

6 + Core (TOK, CAS, EE)

Focus

Depth and Specialization

Breadth and Variety

Flexibility

High (choose only what you love)

Low (must take specific groups)

Best For

Students with clear interests

Students who want to stay general

Feature

Number of Subjects

Focus

Flexibility

Best For

A Levels (BSG)

3 to 4

Depth and Specialization

High (choose only what you love)

Students with clear interests

IB Diploma

6 + Core (TOK, CAS, EE)

Breadth and Variety

Low (must take specific groups)

Students who want to stay general

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