JEDDAH, 6 January — More than four million Saudi students at various levels will go back to schools today after Eid Al-Fitr holidays that lasted for 21 days. They will be attending their first semester exams from Jan. 13, Education Ministry sources said. Also today, more than 800,000 government employees will resume work after the holidays. International airports in Jeddah, Riyadh and Dhahran were vibrant with activity in recent days as a large number of parents and teachers returned to the Kingdom after spending holidays abroad.