### Clue: College's official notice lecturer's got in working party (6)
### Answer: BEADLE 
 ### Explanation: Definition: College's official
 [AD(short for "advertisement"/promotional notice) + L(abbrev. for "lecturer")] **contained in**(…'s got in) BEE(in the US, a group of people coming together to do communal work/a working party).
Defn: A ceremonial officer in a college.