Learning Service Design
In short: It depends on what brings you more opportunities in where you are. No matter what, school or on the job it doesn't replace the need for a strong curiosity to complement each approach.
Learning Service Design
In short: Mindset (backstage / frontstage, multitouchpoint, experience versus reality, etc), tools (Service Blueprint, interviews, etc.), everyday life (using it outside of work)
Value and Impact of Service Design
In short: Make the emotion and problem clear and make those tangible with a story that shows the impact without a fancy mapping.