Your daughter is already in a school offering an IGCSE syllabus. Now she is in her 10th class. You want to change her schools after the 10th class. The following are the points you should think about before making a decision.
1. CBSE syllabus is very popular in India and the syllabus is the same all over the country. There are some Indian schools opened abroad offering the same syllabus. Even though there is a change in place of your employment there will not be a problem because there are many schools all over the country, and Schools offering IGCSE are fewer in number.
2. In the CBSE syllabus the students should choose subject combinations in their stream only. But in IGCSE there is a variety of subjects. There are no stream restrictions.
3. CBSE is having a fixed prescribed syllabus nationwide. But as IGCSE is valid worldwide and the syllabus is not fixed. There will be more options to select textbooks and reference books.
4. CBSE offers both English and Hindi mediums. But IGCSE is only English medium.
5. CBSE is recognized by the Indian government and follows only the NCERT curriculum. IGCSE is established by the University of Cambridge International examinations. It has recognition worldwide.
6. IGCSE offers more than 70 subjects. So, students can opt for subjects according to their interests. There are no stream restrictions. Every subject is designed keeping the requirement across to globe in mind,
7, CBSE follows NCERT books. IGCSE students can have a number of options to select books based on the subjects they have opted for.
8. CBSE conducts certificate examinations after the 10th class and 12th classes. But IGCSE conducts Cambridge Primary and Cambridge Secondary 1 and 2.
9. CBSE is good for students who keep on changing their place of residence within India. Coaching and guidance are easily available.
10. IGCSE schools are fewer. But it is good for students who want to study abroad. They concentrate more on knowledge than marks. Concentrates more on sciences, commerce, languages and humanities. But difficult to get tutors and coaching centres.
In the case of your daughter, as she is already in IGCSE school, I suggest you continue her with the same curriculum.