[2] Many professionals and top-level leaders of Aung San Suu Kyi's government from Mandalay are also alumni of St. Peter's.

Brother Director John managed the school for 18 years until he moved to St. Paul's in 1915.

In 1957, during the administration of Brother Director Peter, a single-storeyed Kindergarten Hall was built on the southern campus of the school.

BEHS 9 is one of the few high schools in Mandalay with a sizable campus, covering perhaps 75% of the entire city square block.

The compound of St. Michael's Church Mandalay, west of the school, takes up the other 25% of the block.

Shwe Kyee Myin Pagoda, Basic Education High School No.

The gated campus consists of: (It is the Main Hall) The school offers classes from KG to Grade 11 in accordance with the syllabus and curriculums prescribed by the Department of Basic Education under the Ministry of Education in Myanmar.

Chemistry, physics and biology labs have enough teaching and learning aids for highschool students.

Co-curriculum activities such as morals, life skills, arts, music and physical training are available for all levels of students.

Having sufficient facilities and good training, BEHS 9 Mandalay is well known for its students winning medals in basic education level tournaments every year.

In the last period of each week on Friday, all five teams work in pairs for the maintenance of the green environment in their respective areas.

According to the sequence of the sores, in the first day of a school week, order in column of their teams are shown.

In July 2019, school alumni co-ordinated with the principal, and formed new fife and drum corps with the current students.