### Clue: Top tip for real trivia nuts, including son heading for Eggheads — he's aiming high (9)
### Answer: ARRIVISTE 
 ### Explanation: Definition: he's aiming high
(R trivia S)* + heading/first letter of **E**ggheads
 "nuts" is the anagrind, with fodder: **R**eal + trivia + **S** (son)