A practical height when working with full sized 12 tiles is 6 courses.
Tile half wall height.
If your wall is 96 then 48 is half.
For a truly classic look finish the top with a decorative trim or a bullnosed edge.
Factoring in the grout lines this meets the minimum with a bit to spare.
How high to tile when tiling half the wall.
Calculate your ideal height for the half wall which typically ranges between 30 to 40 inches.
Much depends on your taste how tall the shower head is and whether you want extra protection from mold or potential splashes on the paint that could eventually cause problems.
I have seen it done as a fully tiled wall but ours will be only half way up.
Variables to consider include the size of your planned field tiles including grout width as well as.
Tile half wall height how to finish the top other than bullnose.
Half the wall is half the wall.
The classic design feature is usually between 34 and 54 high with 36 being the average height.
The minimum should be 6 feet from the base.
I believe your title or question answers it s self.
I prefer at least 6 and a half to 7 feet.
Some people like to go all the way to the ceiling.