* 1951 – Novitiate shifts to Pune from Shimla
* 1952 – Classes started informally under a tree. Came to be known as Thevenet School. Medium of instruction was meant to be English but was actually Hindi & Marathi. The School was co-educational.
* 1961 – Trained full-time Teachers recruited for the first time. The School was officially named St. Felix on March 8th .
* 1965 – Classes extended upto VII Std.
* 1966 – Maharashtra Government recognition obtained. Becomes fullfledged girls school.
* 1967 – Thevenet School closed down.
* 1970 – For the first time participates in an inter-school event.
* 1971 – First batch of 18 students appears for SSC board exam.100% results!
* 1972 – Revised pattern of “Ten year SSC Course” introduced.
* 1973 – New Basketball court inaugurated.
* 1975 – Both Xth (New) & XIth (Old) Stds. appear for SSC exam.
* 1976 – New School building inaugurated on March 2nd.
* 1977 – During the academic year several new schemes introduced: Group system with more scope for inter-action is followed for teaching of Value Education. Work experience classes (Cookery & Knitting). Open Day dialogue between Parents & Teachers regarding Children’s performance. Structured functioning of House system. News for the day.
* 1984 – Playway method introduced in Nursery & KG classes.
* 1986 – Computer course started in School.
* 1991 – 2 Divisions for each class sanctioned by ZP.
* 1997 – Parent Teachers Association (PTA) formed.
* 2000 – New Hall inaugurated. KG classes shifted to Hall annexe.
* 2001 – New Sports ground inaugurated.
* 2002 – School joyously celebrates Golden Jubilee. School presented its first full-length musical – ‘Snow White and the Seven Dwarfs’. The production and casting was entirely through internal resources – staff and students.
* 2004 – School presented its second full-length musical – ‘Ali Baba and the 40 Thieves’. Again an internal effort completely.