In a stone classroom in rural Kenya's Rift Valley, Priscilla Sitienei, 98, takes notes alongside fellow pupils who are all more than eight decades younger than her. For Sitienei, her pursuit of knowledge has just begun.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
