Haute-Ajoie (French pronunciation: [ot aʒwa]) is a municipality in the district of Porrentruy in the canton of Jura in Switzerland.

It was founded on 1 January 2009 by the former municipalities of Chevenez, Damvant, Réclère and Roche-d'Or.

[8] Most of the population (as of 2000[update]) speaks French (91.5%) as their first language, German is the second most common (6.8%) and Italian is the third (0.4%).

[8] The historical population is given in the following chart:[9] The entire village of Chevenez is designated as part of the Inventory of Swiss Heritage Sites.

[8] In the 2007 federal election the most popular party was the CVP which received 42.4% of the vote.

This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude.

[11] During the 2009-10 school year, there were a total of 123 students attending 8 classes in Haute-Ajoie.