(1) Al-Katatib: Which is the plural of kuttab, is the place where the Qur’an writing and calculating are taught. These katatib were present throughout the reign of the Islamic State in the cities and villages.

(2) The Mosques: The scholars and the hadith experts used to hold study circles in the majestic central mosques, where they used to sit and teach or debate matters of fiqh, tafseer, language and hadith; these used to be attended by their pupils.

(3) The Qur’an centres: The first to establish a separate centre for the teaching of Qur’an was the receptor Rasha ibn Nathif al-Dimashqi, and that was in Damascus in the year 400 Hijri.

(4) The Hadith centres: The first to establish a centre specialising in the teaching of hadith was al-Malik al-Adil Nureddine Mahmud al- Zanki, in Damascus as well.

(5) The Schools: These were established in the fifth century of Hijrah in Damascus; there was a school for every subject such as the school of civil engineering in Damascus and the school of medicine.

(6) The Universities: These were established in the middle of the fifth century Hijri. Al-Hakam ibn Abdul Rahman established the university of Cordoba which was one of the most famous centres of education at the time. Other universities were established in many places such as the Mustansiryya university in Baghdad. Students from all over Europe sought admission to these types of institutions.

These universities educated many scholars who played an influential part in what the world of science has reached today in terms of inventions, such as Al-Khwarizmi, Ibn al-Haytham, Ibn Sina, Jabir ibn Hayyan, Al-Razi and others.