Can an expat (non-Indian) become a corporate secretary?
According to the Companies Secretaries Act, under the Reciprocity section (sec 38), any country that allows reciprocal practices of a person with Indian domicile, expats of such countries are allowed to practice in India.
If yes - what are the education qualifications that must be taken
Is there an examination to be qualified as CS?
Have to clear CS examination (it is conducted in 3 levels - foundation, executive, professional)
Can you recommend a school or a center where an aspiring CS can approach
You can visit ICSI website ; you will get the course / registration details and also the nearby institutions through which you can get the required coaching.