Introduction: Hypertension is widely spread in Saudi Arabia, often individuals do not know they are suffering from this disease or the implications. This study aims to determine the level of awareness stemming from youth residents of Riyadh, Saudi Arabia when it comes to hypertension and preventable actions. Methods: This is a community-based, cross-sectional study conducted among high school students studying in different regions of Riyadh, Saudi Arabia. Questionnaires were distributed among students and included demographic characteristics, attitude towards hypertension and a 20-item questionnaire to measure the hypertension awareness and prevention. Results: 503 students took part (54.7% males). Overall mean awareness scores were 12.8 (SD 3.85) out of 20 points. 60% were considered having moderate awareness, 25.2% good awareness and the remaining had poor awareness levels (15.3%). Factors associated with increased awareness scores were female, attending private schools, and undergoing screening tests. While being diagnosed with hypertension was the only factor associated with decreased awareness scores. Conclusion: The awareness of the students regarding hypertension and its prevention was adequate. Female students who were studying at private schools and who had undergone screening tests demonstrated better awareness levels compared to others.