"It is impossible to practice social distance," said Cheroo at the school in Thika, around 40 km north of the capital.
Kiambu county director of education Victoria Mulili said the visually impaired students were not exempted from the government measures. "It is not easy, especially for children who need to be guided around," she told Reuters.
In October, Kenya started to partially re-open its education institutions after a seven-month closure. As in many countries around the world, the number of daily infections is again rising rapidly, and health officials say there is a widespread lack of compliance with measures to curb the virus, including a ban on large gatherings.
The country has recorded more than 56,000 cases and more than 200 deaths from Covid-19.