On 26 May 2011, Education Minister Muhyiddin Yassin declared SMESH a High Performance School.

[6] In 2014, SMESH became the second best school in Malaysia based on Malaysian Certificate of Education (SPM) 2013 results.

In March 2018, Education Minister Mahdzir Khalid announced that RM 72 million was provided rebuild the permanent campus under Najib Government.

[4] Assistant Minister of State Jimmy Wong later revealed, in July 2018, that the real cost of rebuilding the permanent campus is RM 74.2 million and that the project is still at pre-implementation level.

[6] In co-curricular activities, SMESH has been the top school in district-level Interschool Sports Championship.

SMESH also received a gold medal in Fully Residential School International Symposium, the recent being in 2018.

One of them has been Isnaraissah Munirah Majilis who is Member of Parliament for Kota Belud and Deputy Minister of Energy, Technology, Science, Climate Change and Environment since 2018.