1. University of Nairobi: Established in 1956, the University of Nairobi is the oldest and most prestigious university in Kenya. It offers a wide range of undergraduate and postgraduate programs in various disciplines, including arts, sciences, engineering, medicine, law, and business. The university is known for its research output and has produced numerous influential alumni in various fields.

2. Kenyatta University: Founded in 1985, Kenyatta University is the second-largest public university in Kenya. It offers a diverse range of programs, including arts, sciences, education, business, engineering, and medicine. The university has a strong emphasis on research and innovation and is known for its state-of-the-art facilities.

3. Strathmore University: Established in 1961, Strathmore University is a private institution known for its high-quality business and management programs. It is accredited by the Commission for University Education and offers undergraduate and postgraduate programs in business, finance, law, information technology, and social sciences. The university has partnerships with various international institutions, including the University of Navarra in Spain.

4. Moi University: Founded in 1984, Moi University is a public institution located in Eldoret. It offers a wide range of programs in arts, sciences, education, engineering, medicine, and business. The university is known for its research output and has several research centers and institutes, including the African Centre of Excellence for Sustainable Agriculture and Agribusiness Management.

5. Jomo Kenyatta University of Agriculture and Technology (JKUAT): Established in 1981, JKUAT is a public university specializing in agriculture, engineering, technology, and entrepreneurship. It offers undergraduate and postgraduate programs in various fields, including agriculture, engineering, business, computer science, and health sciences. The university is known for its practical-oriented approach to education and has strong industry linkages.

6. Egerton University: Founded in 1939, Egerton University is a public institution located in Njoro. It offers programs in agriculture, natural resources, engineering, business, education, and social sciences. The university is known for its strong emphasis on agriculture and has several research centers and institutes focused on agricultural research and development.

7. United States International University-Africa (USIU-A): Established in 1969, USIU-A is a private institution offering programs in arts, sciences, business, and social sciences. It is accredited by the Commission for University Education and has partnerships with various international universities. The university is known for its multicultural environment and diverse student body.

8. Catholic University of Eastern Africa (CUEA): Founded in 1984, CUEA is a private university offering programs in arts, sciences, business, law, theology, and social sciences. It is accredited by the Commission for University Education and is known for its strong emphasis on ethics and values-based education.

9. Maseno University: Established in 1991, Maseno University is a public institution located in Maseno. It offers programs in arts, sciences, education, business, and social sciences. The university is known for its research output and has several research centers and institutes, including the Institute of Gender and Development Studies.

10. Technical University of Kenya: Formerly known as the Kenya Polytechnic University College, the Technical University of Kenya is a public institution specializing in technical and engineering programs. It offers undergraduate and postgraduate programs in engineering, applied sciences, business, and social sciences. The university is known for its focus on technical and vocational education and has strong industry linkages.

Please note that the ranking of colleges may vary depending on different sources and criteria used. The provided list is based on the reputation, academic quality, and research output of the institutions.