Moi Educational Centre's best candidate scored 424 marks, putting the school among the top performers in the KCPE examination.
Jeremy Rotich scored 424 marks to emerge tops in the school. Janice Chepkoech was ranked second in the school with 421 marks.
Mitambo Aiden Karani scored 419 marks as Mulinge Judith and Ronoh Lorraine each scored 413 marks to close the school's top-five list.
Other top scorers in the school are Nyarango Natania Kerubo with 411 marks as Bhirange Nicaise and Mogire Kencarlos Ngari each scored 409 marks.
Kiptoo Daniella Jebet, Tanui Griffin Kiprop, Bor Elsie Chepchumba and Kamau Raynold Kuria each scored 407 marks.
Speaking after receiving the results, Rotich, the top boy in the school, said his efforts and those of his parents and teachers bore fruits as he sharpened his dream of becoming a climate change expert.
"I thought of myself and what came to my mind is the increasing effects of climate change in the country, which has wreaked havoc on both people and wildlife. My dream is to become a sustainable energy engineer and offer the solutions," Rotich said.
Rotich's mother could not hide her happiness, describing her son as ambitious and self-motivated. She said her son always challenged them as parents to support his dream.
"I am so happy I didn't expect this, even if I have always known him as a disciplined and hardworking son. Let us join hands and help our kids for it is not the work of teachers alone," she said.
"I want to be a lawyer so that I can protect the rights of people. I love seeing justice being served. I will continue working hard until I realise my dream," said Langat, the second-top pupil in the school.
Overall, 23 candidates scored 400 marks and above. Another 95 scored between 375-399 marks.
School results also show that 54 candidates scored between 350 and 374 marks. Some 38 candidates managed 300 and 349 marks, while only nine scored below 300 marks.
The school principal Augustine Musyoka said the teachers, learners and parents worked together to ensure the success.
"It is a challenging time especially with continuing heavy rains. As usual, we prepared our candidates very well and now the results are pleasing," Musyoka said.
Stay informed. Subscribe to our newsletter
Elsewhere in Kajiado, private schools outshined public institutions in the national exams. In Kitengela town, three public schools performed dismally with no student attaining 400 marks.
Orchard School, Lakewood schools, Milimani Academy and Acacia schools produced the top candidates with 420 marks. Teachers and candidates attributed the success to hard work and determination.
"Our pupils have been working very hard to attain these marks, we are very grateful to them for working extra hours in their education", said Hilda Mutua, a director at Milimani Academy in Kitengela.
Additional reporting by Peterson Githaiga