Read the script aloud several times
Break the script into small sections
Memorize one section at a time
Understand the meaning of each line
Identify cue words and triggers
Repeat each section from memory
Write the script out by hand
Record yourself reading the script
Listen to the recording repeatedly
Practice while walking or moving
Rehearse with a partner or coach
Test yourself without looking at the page
Review difficult lines more often
Use spaced repetition
Sleep after studying the script
Run full-throughs from start to finish
Practice in the same order every time
Focus on both words and delivery