Mwai Kibaki running for re-election in the 2007 presidential election. On 16 September 2007, Kibaki announced that he would stand as the candidate of a new alliance incorporating all the parties who supported his re-election, called the Party of National Unity. The parties in his alliance included the much diminished former ruling KANU, DP, Narc-Kenya, Ford-Kenya, Ford People, and Shirikisho. Kibaki's main opponent, Raila Odinga, had used the referendum victory to launch the ODM, which nominated him as its presidential Candidate for the 2007 elections. On 30 September 2007, a robust and much healthier President Kibaki launched his presidential campaign at Nyayo
Mwai Kibaki who insisted that young Mwai should go to school instead of spending his days grazing his father's sheep and cattle and baby-sitting his little nephews and nieces for his older sister. Kibaki turned out to be an exemplary student. He attended Gatuyainĩ School for the first two years, where he completed what was then called Sub "A" and sub "B" (the equivalent of standard one and two or first and second grade). He later joined Karima mission school for the three more classes of primary school. He later moved to Mathari School (now Nyeri High School) between 1944 and 1946