'more upper' is not correct or usable in written English.
The correct word you may be looking for is 'higher'. For example: We need to reach higher sales targets this year.
Face reality.' Her dream was more upper than herself".
He still seems more upper class than flashy estate agent.
They made their homes more formal, their jewelry more elegant and the furniture more upper crust.
"I perceived these buildings as more upper crust than I was used to," he said.
The more upper class the judges, the less able they were to accurately identify emotions in others.
Even upper-class children went into service — with families that were more upper class — to perfect their manners and extend their patronage networks.
This is more upper-crust romcom than history in the making.
Among other things, they rejected his requests for money for more upper-level philosophy classes.
Many of the boating members joined the more upper-crust Manhasset Bay Yacht Club next door.
His mother, Lavender, was a true Communist believer who was nevertheless of more upper-class stock.
They feel pressure from landlords to move, and they see more upper-middle-class whites moving in.
