The Portsmouth Grammar School
| The Portsmouth Grammar School | |
|---|---|
| Address | |
High Street , , PO1 2JN  | |
| Coordinates | 50°47′30″N 1°05′59″W / 50.791784°N 1.0998°W | 
| Information | |
| Type | Private day school Grammar school  | 
| Motto | Praemia Virtutis Honores | 
| Established | 1732 | 
| Founder | William Smith | 
| Chairman of the Governors | Walther Cha | 
| Headmaster | David Wickes | 
| Staff | 172 | 
| Gender | Mixed | 
| Age | 2 to 18 | 
| Houses | 4 | 
| Colour(s) |   Red Gold Black  | 
| Publication | The Portmuthian | 
| School hymn | All My Hope on God is Founded | 
| Former pupils | Old Portmuthians | 
| School blog | Portsmouth Point | 
| Website | http://www.pgs.org.uk/ | 
The Portsmouth Grammar School (PGS) is a co-educational private day school in Portsmouth, England, located in the historic part of Portsmouth. It was founded in 1732 as a boys' school, and is located on Portsmouth High Street.