1990 - 1991 The Oxford Secondary School was started. 1992 - 1993 The first batch appeared for Class X(AISSE) examination. 1992 - 1993 School NIE(News Paper In Education) was started with Times of India. 1994 - 1995 Class XI Science Stream was started. 1995 - 1996 The first batch of Class XII appeared for AISSCE examination. 1996 - 1997 Expansion programme for the CBSE school was undertaken. 1997 - 1998 Inter School Debate Competition was organized. 1997 - 1998 Principal Mrs. P.Indira Prithviraj was the Chairperson of the Sahodaya School complex of private Schools. 1998 - 1999 Interact Club 1999 - 2000 School magazine Decadonium was released. 1999 - 2000 Orientation Programme for teachers was started.     1999 - 2000 School song was written by Mrs. Asha Manoharan and music was composed by Avik Das Gupta 1999 - 2000 Alumni Association was started 2000 - 2001 The School Newsletter 'Srijani' was released 2000 - 2001 NCC was versant in the School 2000 - 2001 Scouts and Guides was introduced 2001 - 2002 The School was alloted Centre for Class X AISSE Examination 2001 - 2002 The House colours and names were changed from Emerald, Ruby, Sapphire, Topaz to Spartans, Saxons, Gladiators and Rangers 2002 - 2003 Hosted IV National Hockey Championship 2003 - 2004 Theatre In Education was introduced 2005 – 2006 The International Award for young people (Duke of Edinburgh)