In 1946 by Sr. Richardis started the Girls' Middle School in Peramiho. This was the first school in the Ruvuma Region where girls could obtain an education beyond the primary school level. Abbot - Bishop Eberhard Spiss, OSB, who strongly advocated education for women, supported her efforts. For several years a domestic school was associated with the middles school. The school flourished as more and more people recognized its importance for the future of their daughters.

Thus in 1968 the school was registered as a private secondary school for girls under the management and ownership of the Benedictine fathers of Peramiho Abbey. Sr. Ludovica Koch OSB a missionary from the Norfolk Priory in Nebraska, USA, was the first headmistress when the school opened in January 1968 with 33 students in form I. The initial teaching staff consisted of Sr. Prisca Komba OSB from Chipole, late Sr. Cassia Zistler OSB and Fr. Bosco Brunner OSB as religious instructor and advisor.

In 1969 Sr. In 1969, Sr. Ludovica returned to the U.S.A. And was succeeded as headmistress by Sr. M. Elisabeth Sarinas OSB, who had come from the Philippines together with Sr. Anselma Paler OSB also a teacher. Sr. Frideswida Ick, OSB, came to from Manila to teach chemistry.

The cookery department was added in 1970 under Sr. Hereswida Zettler, OSB, and the teacher textile needlework department in 1975 under Sr. Martina Dreyer, OSB, When, Sr. Elisabeth was elected prioress in 1971, a former students of the school and since 1968 the biology teacher and dean of discipline at Peramiho Girls',

Sr. M. Bonaventura Kilowoko OSB assumed the responsibility as headmistress.

Since 1994 the secondary school has been build up to a high school including

Form V and VI.

In 1995 the Benedictine fathers of Peramiho Abbey handed the ownership and management to the Missionary Benedictine sisters of Tutzing. Since 1994 it is Peramiho Girls High.