[3][5] Schleicher was employed as a harp and piano teacher for the Seminários Livres de Música at the Federal University of Bahia in Bahia, Brazil from 1961 to 1963 and was the university orchestra's first harpist.

[4] In 1972, Schleicher was elected to the Bundestag via the CSU's party list and took leave from her job as its woman officer three years later.

[3] She was the only female on the CSU's parliamentary group for the first four years and was chair of the family committee.

[6] She left the Bundestag in 1980,[1] and became vice-president of European Movement Germany in the same year.

[8] In 1994, she stood down as vice-chair of the Committee on the Environment, Public Health and Consumer Protection.

Schleicher was a member of the Conference of Delegation Chairs and a substitute for the Committee on the Environment, Public Health and Consumer Policy.

[4][10] Schleicher was president of the European Union of Women from 1983 to 1987 and was a member of the EPP's executive committee between 1984 and 2004.

[2] Schleicher was honoured with the Bayerische Verfassungsmedaille,[1] and the Medal for special services to Bavaria in a united Europe in 1996.

[2] In 1998, she earned the Robert Schuman Medal of the EPP Group and the Pro-Retina Award.