Three men with pistols abducted the teachers with the Udha Academy in the Hagadera section of Dadaab refugee camp, according to a police report seen by The Associated Press.
The camp in eastern Kenya holds more than 200,000 Somali refugees.
Mohamud Saleh, the northeastern regional security coordinator, said security forces cordoned off the area and sealed the route into neighboring Somalia, where the gunmen are suspected to have come from.
No group has claimed responsibility for the latest kidnapping from the camp.
Kenyan authorities have expressed interest in closing Dadaab, claiming it has become a recruitment and training ground for Somalia's extremist group al-Shabab.
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The extremist group has vowed retribution on Kenya for sending troops to Somalia to fight it.
Kenyan government blamed al-Shabab for the kidnapping of two Spanish aid workers from Dadaab camp in October 2011 and said that incident and other cross-border attacks led to its decision to send troops to Somalia. The workers were released after 21 months in captivity.