| STATE RANKS – MATRICULATION | |||
| State Rank | Marks | ||
| 1962 | Kishore Shahani | First | 622 |
| Michael Arul | Second | 600 | |
| 1964 | A. Parasuraman | Sixth | 637 |
| 1965 | Charies Raj | First | 644 |
| Y.G. Mahendra | Third | 624 | |
| S. Jaweed | Fourth | 623 | |
| M.C. Kumar | Sixth | 620 | |
| 1966 | G.R. Srinivasan | Second | 622 |
| S. Parthasarathy | Fifth | 606 | |
| 1967 | R. Mohan | Third | 612 |
| Ashok Chacko | Fifth | 605 | |
| Ashok Srinivasan | Sixth | 604 | |
| 1968 | K.S. Ramesh | First | 632 |
| R. Kannan | Fourth | 622 | |
| Davor Bonacic | Sixth | 615 | |
| 1970 | M.A. Raja | Third | 676 |
| S. Mathew | Fifth | 656 | |
| 1972 | K. Sathian | Sixth | 670 |
| 1973 | Sriram Narayan | First | 698 |
| R. Sridharan | Second | 692 | |
| G. Vaidyanathan | Third | 687 | |
| 1974 | M.R. Mehta | Second | 697 |
| N. Sree Ram | Fourth | 685 | |
| 1975 | V. Vidya Shankar | Fourth | 691 |
| 1976 | T.R. Krishnan | Second | 706 |
| 1977 | K. Sudhir | Fifth | 699 |
| 1978 | P. Rajeev | Sixth | 701 |
| J. Raja Kumar | Eighth | 699 | |
| X Standard Pattern | |||
| 1978 | Rama Varma | First | 923 |
| R. Arvind | Second | 921 | |
| T. Sridhar | Third | 915 | |
| S. Venkateswaran | Fourth | 901 | |
| 2007-2008 | Masood Ahmed Usmani | 474/500 |
| 2008-2009 | Adithiyan C.A. | 482/500 |
| 2009-2010 | Sathish Kumar. M | 478/500 |
| 2010-2011 | Prabu Karthik | 479/500 |
| 2011-2012 | Karthik Annigeri | 492-500 |
| Rohit K.R. | 492/500 | |
| 2012-2013 | Benny Kiwin Cardoza | 492/500 |
| Nikhil Angelo Deans | 492/500 | |
| 2013-2014 | P. Bharath | 495/500 |
| 2014-2015 | Mathew Deepak Fernandes | 494/500 |
| Shoayb Khan S. | 494/500 | |
| 2015-2016 | Maanas P. | 491/500 |
| 2016-2017 | Jegadeeswar S.R. | 491/500 |
| 2017-2018 | Flavian Diol | 487/500 |
| Kumara Roshan Anandh | 487/500 | |
| 2018-2019 | Armaan Shariff | 487/500 |
| STATE RANKS – HIGHER SECONDARY | |||
| State Rank | Marks | ||
| 1980 | T. Sridhar | First | 1112 |
| 1981 | K. Narayanan | First | 1123 |
| Gopalakrishnan | Sixth | 1104 | |
| Winston Norohna | Tenth | 1094 | |
| 1982 | M.D. Giridhar | First | 1138 |
| V.S. Srikanth | Second | 1126 | |
| M. Jayanth | Third | 1118 | |
| K. Harish Naidu | Fourth | 1116 | |
| Nandhakumar | Fifth | 1114 | |
| V. Srinivasan | Eighth | 1105 | |
| Cecil Manohar | Tenth | 1101 | |
| 1983 | Unni Thomas | Sixth | 1129 |
| 1984 | Nitin seshadri | First | 1157 |
| S. Sivasubramanian | Sixth | 1135 | |
| N. Vinod Kumar | Ninth | 1131 | |
| 1985 | M.D. Yatheendar | First | 1150 |
| G.S. Praveen | Sixth | 1138 | |
| 1987 | Praveen Seshadri | First | 1171 |
| 1988 | Ranking based on aggregate stopped by the Edn. Dept. | ||
| R. Ramanujam | Sixth | 892 | |
| C. Vijay Anand | Ninth | 889 | |
| C. Thomas George | Tenth | 888 | |
| 1979 | K. Narayanan | First | 845 |
| V. S. Mani | Second | 834 | |
| Gopalakrishnan | Third | 833 | |
| 1980 | Parthasarathy | Fourth | 902 |
| Cecil Monohar | Firth | 900 | |
| Jagatjit Singh | Sixth | 898 | |
| N.K. Ghazi | Tenth | 894 | |
| 1985 | S. Srinath | First | 1007 |
| Praveen Seshadri | Second | 1000 | |
| R. Murali | Third | 994 | |
| Sumit Dhanda | Fourth | 987 | |
| Bala Gopal Varma | Firth | 975 | |
| 1988 | Philip Finny | Second | 995 |
| Highest in the School | ||
| 1988-89 | Kaushik Rajagopal | 982 |
| 1989-90 | Narayana Unnikrishnan | 975 |
| 1990-91 | Vincent Prasanna | 1004 |
| 1991-92 | Kirshore G. Advani | 984 |
| 1992-93 | Yagnesh V.B. | 1040 |
| 1993-94 | Karan Mehra. | 1006 |
| 1994-95 | Santhosh Mohan Rao K. | 1042 |
| 1995-96 | Ashwin Raju | 1018 |
| 1996-97 | Raja Yogesh | 1028 |
| 1997-98 | Siddhartha E. | 1016 |
| 1998-99 | Rohan Francis Rebello | 1017 |
| 1999-2000 | Mario Joseph Gonsaives | 1021 |
| 2000-2001 | Lakshminarayanan R | 1044 |
| 2001-2002 | Bhuvanasundar S | 1037 |
| 2002-2003 | Thomas Greefin Francis | 1030 |
| 2003-2004 | Jason Bosco | 1056 |
| 2004-2005 | Erick B. Irani | 1023 |
| 2005-2006 | Sambhav. R. Jain | 1028 |
| 2006-2007 | Karthik Subramaniam T. | 1047 |
| Highest in the School | ||
| Name of the Student | Marks out of 1200 | |
| 1987-88 | Joseph Pancras | 1154 |
| 1988-89 | Joseph Pradeep Felix | 1135 |
| 1989-90 | Pattabhi Rama Rao S.B.P. | 1130 |
| 1990-91 | Anand S. | 1144 |
| 1991-92 | Girish Ramdas | 1160 |
| 1992-93 | Manav Mishrq | 1165 |
| 1993-94 | John Joseph Angelo | 1151 |
| Mukesh G. | 1151 | |
| 1994-95 | Iftikhar Ahamath B. | 1155 |
| Yagnesh V.B. | 1155 | |
| 1995-96 | Rishi Jhaver | 1150 |
| 1996-97 | Naveen chowdary | 1169 |
| 1997-98 | Padmanaban R.K. | 1182 |
| 1998-99 | Deepak Chander | 1175 |
| 1999-2000 | Nikhl Anthony Suares | 1168 |
| 2000-2001 | Ananthakrishnan G. | 1169 |
| 2001-2002 | Praveen Kumar R | 1182 |
| 2002-2003 | Sanjay George Charles | 1178 |
| 2003-2004 | Joe Mario Nishantha | 1172 |
| 2004-2005 | Thomas Greefin Franco | 1171 |
| 2005-2006 | Subhav Kumar Jain | 1171 |
| 2006-2007 | Muhammad Yasser. M. | 1161 |
| 2007-2008 | Praveen John Philip | 1179 |
| 2008-2009 | Deepak Bohra | 1176 |
| 2009-2010 | Masood Ahmed Usmani | 1184 |
| 2010-2011 | Ramachandar R. | 1182 |
| 2011-2012 | Danny Lawrence | 1183 |
| 2012-2013 | Francis Jacob Thadikaran | 1180 |
| 2014-2015 | Prashant M Chawla | 1175 |
| 2015-2016 | Adit V Chhabria | 1175 |
| 2016-2017 | Manav M Paul | 1183 |
| 2017-2018 | Maanas P. | 1169 |
| 2018-2019 | Mehul K. | 1184 |