It also appears that in municipalities that have compiled data for graduates of the inhabitants strong predilection for the courses in the area of Health and Welfare (average 24,25% of people with degrees in the municipalities of the target area), Social Science, administration and law (20,11%) and education (16,66%). This finding reprises national preference, although there is a tie in the national data in the field of Education in Arts, humanities and letters (11,20%).Regarding academic areas with the highest percentage of graduates in education have the Corrente municipalities (29,98%) and Gilbués (35,37%) in Piauí, in social sciences, business and law there is Almas (29,18% ) and Rio da Conceição (100%), both in Tocantins, Piauí and Barreiras (52,97%) in Piauí, in the areas of science, mathematics and computer stands alone Ponte Alta do Tocantins (27,70%) in Tocantins. Almas in Tocantins and Alto Parnaíba in Maranhão lead the ranking of the highest percentages of graduates in engineering, production and construction, respectively 26,31% and 22,91% in the area of agriculture and veterinary Mateiros (TO) leads with 52,31% of graduates and Barreiras do Piauí (PI) with 47,03%; Rio do Sono and Lizarda have all of its graduates in health and social well-being and ill-specified training area there is significant presence in the municipality of São Felix do Tocantins, Tocantins, with 38,92%. The Services area has no data for any of the municipalities compiled.
Although there is a somewhat negative perception of the data previously reported, the IDH data encourage us with the notion of improvement in the indicator time education. From 1991 to 2000, all municipalities had increases in educational, some quite significant, others less so. The highest values of IDH-Education In 2000, all above the national average (0.781) and the respective state averages, are the municipalities of Santa Tereza do Tocantins, Novo Acordo and Rio da Conceição of the State of Tocantins, with values of IDH-education respective 0.842, 0.819 and 0.801. In turn, those with lower IDH-Education in 2000 are the Mateiros in the municipalities of Tocantins (0.63) Santa Filomena (0.678) and the São Gonçalo Gurguéia (0.713), both in Piauí.
