If you are a teacher, JW Pepper offers a "ePrint" service. Their scanning technology is top-tier, allowing you to zoom into the score without pixelation. This is the standard for contest judges.
The "Resolutions" section features rapid-fire tonguing and soaring melodies. gary schocker regrets and resolutions pdf high quality
If you are searching for existing digital copies online (e.g., through university libraries or sheet music archives), you must verify the quality. If you are a teacher, JW Pepper offers a "ePrint" service