ICSE Toppers
| YEAR | NAME | PERCENTAGE (%) / GRADE |
| 1975 | MANOJ KUMAR MALHOTRA | 6 |
| 1976 | RAJIV DAYAL MATHUR | 6 |
| 1977 | CHANCHAL KUMAR ANAND | 7 |
| 1978 | N.A. | – |
| 1979 | ANURADHA SRIVASTAVA | 7 |
| 1980 | GAUTAM MEHROTRA | 91 |
| 1981 | NANDINI CHATURVEDI | 86.4 |
| 1982 | ASHISH GUPTA | 91.8 |
| 1983 | SANJAY BHUTANI | 88.6 |
| 1984 | JAIDEEP ARORA | 90.6 |
| 1985 | SHARDUL AGGARWAL | 88.4 |
| 1986 | JYOTINDRA SINGH | 92 |
| 1987 | MOHIT AGARWAL | 92.4 |
| 1988 | PARUL ANAND | 91.2 |
| 1989 | NAVNEET MANOHAR | 92 |
| 1990 | VIVEK KUMAR VIJJAN | 92.8 |
| 1991 | PANKAJ GUPTA | 94.2 |
| 1992 | RUBINA AGGARWAL | 91.6 |
| 1993 | PRASHANT PANDEY | 94.2 |
| 1994 | PRAGYA SINGHDIGVIJAY GAURAV | 94.4 |
| 1995 | AKASH GUPTA | 91.8 |
| 1996 | AMIT SARONWALA | 92.6 |
| 1997 | VAIBHAV KAMRA | 93.2 |
| 1998 | RAHUL NATH | 95.6 |
| 1999 | GAURAV SINHA | 95.4 |
| 2000 | SAMARJEET SINGH | 93.4 |
| 2001 | MANUDEV MITTAlMAYANK GUPTA | 92.6 |
| 2002 | NIMISHA SAXENA | 97.4 |
| 2003 | KSHITIJ GARG (ALL INDIA TOPPER) | 98.2 |
| 2004 | RASHI VERMA | 95.8 |
| 2005 | ANKUR KAUL | 95.4 |
| 2006 | ANSHUL MISHRA | 96.8 |
| 2007 | SWATI GOEL | 96.5 |
| 2008 | OSHEEN TRIPATHI ANANDNI ARORA | 96.7 |
| 2009 | VIDUSHI DOBHAL | 95.8 |
| 2011 | BHUVANYAA VIJAY | 98 |
| 2012 | JAHNAVI SRIVASTAVA
(UTTARAKHAND STATE TOPPER) |
98.2 |
| 2013 | RISHABH GARG | 96.8 |
| 2014 | KESHAV DATTA | 97.2 |
| 2015 | SHASHWAT BADONI | 97.8 |
| 2016 | ABHITI MISHRA | 97.2 |
| 2017 | ARYAN SRIVASTAVA | 98 |
| 2018 | HARSHIT PANT | 97.6 |
| 2019 | PAYAL MEHROTRA | 98.2 |
| 2020 | ASHOK BHATT | 98.4 |
| 2021 | Praniti Tandon | 97.4 |
| Sanyam Gupta | 97.4 | |
| 2022 | ANANYA VIJJAN | 99.2 |
| 2023 | ARNAV PANDEY | 99 |
| 2024 | ANUSHKA KOTNALA | 99.4 |
| 2024-25 | PARTH GUPTA | 99 |