There is no general rule on this for all European countries. In some university towns and cities, public transport may be free for students or at least available at a reduced price. The institution or students’ union should be able to provide further information.
Health insurance is generally compulsory in Europe but each country has a different system. In the European Union, citizens are entitled to the same health care as citizens insured in that country. There is a European Health Insurance Card. Health care for migrants will depend on their situation and the country they are based in.
Some countries or institutions may provide funding for refugees. Grants or loans may be available but will depend on the country/institution. See the FAQs on funding.