Teaching scientific subjects (Mathematics - Science - Chemistry - Physics - Quantitative Abilities - Achievement Test) for students of Arabic and language schools, as well as university students (King Saud University - King Abdulaziz University - Qassim University - Future University - Buraidah Colleges - Unaizah Colleges, and other universities and colleges within the Kingdom). By the grace of God, with over 10 years of experience, approximately 10,000 male and female students have been taught (in-person - remote - groups), and praise be to God, they have obtained the highest grades.