I'm not gonna sugarcoat it — the SP certification knocked me down twice before I finally cleared it last month. First attempt I went in thinking my on-the-job experience would carry me, scored a 68 when I needed a 75. Second time I bought a random study guide off Amazon, barely improved. What finally clicked was actually understanding the PMBOK knowledge areas as they apply to scheduling specifically, not just memorizing definitions.
The turning point was finding a decent SP practice test that mimicked the real question style. The actual exam loves to give you scenario-based questions where two answers look almost identical — you have to know the "why" behind schedule compression techniques, not just what fast-tracking means. I spent about 6 weeks, maybe 90 minutes a day, focusing heavily on schedule network analysis and earned value.
For anyone grinding through this right now: don't skip the ITTOs for the schedule processes. I know everyone says that, but the exam really does test them in context. Happy to share my full breakdown of topics if it helps anyone.