The school celebrated its golden Jubilee on 14/11/2011. The chief guest was the Education Permanent secretary Prof. James Ole kiyapi. The function was well attended by several guests among them were the Tenwek high school Alumni. Among the Alumni were the MP for Chepalungu Hon. Isaac Rutoh, Ambassador John Koech, KNUT national Chairman Mr. Wilson Sossion, Mr. Dennis Chepkwony who happens to be the school board chairman.
Other guests who attended include the area MP Hon Beatrice Kones whose late Husband Kipkalya Kones was also Tenwek high school Alumni.
It was a very colourful event as the PS also launched the school website and officially openned Eva Gilger memorial library.