PMI · PMI-SP
Validates specialized expertise in project scheduling, including schedule strategy, schedule planning and development, schedule monitoring and controlling, and schedule closeout across predictive and adaptive project environments.
Practice Questions
838
≈ 4 practice exams
Duration
210 minutes
Passing Score
Pass/Fail
Difficulty
ProfessionalLast Updated
Feb 2026
Use this PMI-SP practice exam to prepare for PMI Scheduling Professional (PMI-SP) with realistic questions, detailed explanations, and focused study modes. The practice bank includes 838 questions for PMI PMI-SP, so you can review the exam steadily instead of relying on one long cram session.
As you practice, pay extra attention to patterns in your missed answers. Start with short sessions to identify weak areas, then move into timed quizzes once your accuracy is consistent.
The explanations are especially useful when you want to connect exam wording to the responsibilities and scenarios described in the official certification guidance. Use the free preview first, then unlock the full question bank when you are ready to build a complete study routine.
The PMI Scheduling Professional (PMI-SP)® is an advanced credential offered by the Project Management Institute (PMI) that validates specialized expertise in the art and science of project scheduling. It demonstrates a practitioner's ability to develop, maintain, analyze, and control project schedules across both predictive (waterfall) and adaptive (agile/hybrid) project environments. The certification covers the full scheduling lifecycle—from establishing schedule strategy and governance through planning, development, monitoring, controlling, and formal closeout—ensuring certified professionals can manage complex timelines, resources, and dependencies in high-stakes environments.
The PMI-SP is distinct from general project management credentials in its deep focus on schedule-specific disciplines, including critical path analysis, earned value management (EVM), risk-adjusted scheduling, resource optimization, and the use of scheduling tools such as Primavera P6 and Microsoft Project. Holders of this credential are recognized for their ability to align project schedules with organizational strategy, manage stakeholder communication around schedule performance, and apply advanced techniques to recover distressed schedules. The exam was updated to reflect growing emphasis on agile and hybrid scheduling approaches alongside traditional methods.
The PMI-SP is designed for project management practitioners who specialize in, or want to advance within, the field of project scheduling. Ideal candidates include project schedulers, project planners, project controls managers, program managers, and project management office (PMO) professionals who are responsible for developing and maintaining project schedules as a primary job function. The credential is particularly valuable for those working in schedule-intensive industries such as construction, engineering, aerospace, defense, information technology, and government contracting.
Candidates typically have several years of professional project scheduling experience and are looking to distinguish themselves in a specialized niche. It suits professionals who already hold or are pursuing broader credentials like the PMP® but want to signal deep scheduling expertise to employers. It is also well-suited for those who manage dedicated scheduling teams or serve as a scheduling subject matter expert on large, complex programs.
PMI requires candidates to meet one of two education and experience paths. For those holding a secondary (high school) diploma or associate's degree equivalent, PMI requires at least 40 months of professional project scheduling experience within the last five consecutive years, plus 30 contact hours of formal education in project scheduling. For those with a bachelor's degree or higher (including degrees from GAC-accredited programs), the experience requirement is reduced to 24 months of project scheduling experience within the last five years, along with the same 30 contact hours of formal scheduling education.
The 30 contact hours of formal education specifically in project scheduling—not general project management—are a firm requirement under both paths. PMI explicitly accepts training hours spent on scheduling tools such as Microsoft Project and Oracle Primavera P6 toward this requirement. All experience must be in a professional capacity, and candidates should be prepared to document their scheduling roles and responsibilities as part of the application process.
The PMI-SP exam consists of 170 questions, of which 150 are scored and 20 are unscored pretest items used for future exam development. The unscored questions are not identified during the exam. All questions are multiple-choice format, testing both knowledge-based recall and scenario-based decision-making. The total time allotted is 3.5 hours (210 minutes). The exam is delivered via Pearson VUE, either at an authorized testing center or through an online proctored format from a candidate's home or office.
Results are reported on a pass/fail basis, with proficiency levels shown across each domain rather than a single numerical score. PMI does not publish a fixed passing score, as the pass/fail threshold is determined through psychometric analysis. Candidates who do not pass may attempt the exam up to three times within their one-year eligibility window. The certification is valid for three years and requires 30 professional development units (PDUs) in scheduling-related topics to maintain it.
Earning the PMI-SP credential positions professionals for specialized roles that command premium compensation. According to PMI salary survey data, PMI-SP certified professionals in the United States earn an average annual salary of approximately $111,000, with certified scheduling professionals earning 20–25% more on average than their non-certified peers. Top-paying roles include Project Controls Manager, Senior Scheduler, Program Planner, and Scheduling Lead, with industries such as aerospace, defense, construction megaprojects, and government contracting offering the highest compensation packages.
The PMI-SP is globally recognized and is particularly valued in industries where schedule performance directly impacts regulatory compliance, contract deliverables, or safety outcomes. It differentiates candidates from general PMP® holders by demonstrating depth in a discipline that is increasingly treated as a standalone specialty. With PMI projecting demand for up to 30 million additional project professionals by 2035, scheduling specialists who hold a formal credential are well-positioned to advance into senior individual contributor, team lead, or PMO roles. The credential also complements other PMI certifications, with many professionals holding both the PMP® and PMI-SP to signal both breadth and depth.
5 sample questions with answers and explanations. The full bank has 838 questions, enough for 4 full-length practice exams.
Preview — answers shown1. A PMI-SP identifies that Activity P has Total Float of 8 days and Free Float of 3 days. What is the Interfering Float for Activity P? (Select one!)
Explanation
Interfering Float equals Total Float minus Free Float. Interfering Float = 8 - 3 = 5 days. This represents the portion of total float that, if consumed, will delay the Early Start of one or more successor activities but not the project completion date. The relationship is always: Total Float ≥ Free Float ≥ Independent Float. The 5 days of interfering float indicates that delaying Activity P by more than 3 days (its free float) will impact successor activities' early starts.
2. Using the same three-point estimates from the previous activity (O=8, M=12, P=22), what is the standard deviation for this activity? (Select one!)
Explanation
Standard deviation is calculated using the formula: σ = (P - O) / 6. Calculation: (22 - 8) / 6 = 14 / 6 = 2.33 days. Standard deviation measures the uncertainty or variability in the duration estimate, with higher values indicating greater uncertainty. This value is used in schedule risk analysis and Monte Carlo simulations. The 4.67 option incorrectly divides by 3 instead of 6. The 7.00 option uses only half the formula. The 14.00 option fails to divide the range by 6.
3. A PMI-SP calculates Interfering Float for Activity K, which has Total Float of 12 days and Free Float of 5 days. What is the Interfering Float? (Select one!)
Explanation
Interfering Float equals Total Float minus Free Float. For Activity K: Interfering Float = 12 - 5 = 7 days. This represents the portion of total float that, if consumed, will delay successor activities but not the project completion date. The 5 days of Free Float can be used without affecting any successors, while the additional 7 days of Interfering Float will impact successor Early Start dates but still keep the project on schedule. The relationship Total Float ≥ Free Float ≥ Independent Float always holds true.
4. A manufacturing project has calculated critical path duration of 180 days, but the customer contract requires completion in 165 days. What is the Project Float? (Select one!)
Explanation
Project Float is calculated as Required Completion Date minus Calculated Critical Path Duration. Project Float = 165 - 180 = -15 days. Negative float indicates the project schedule cannot meet the required deadline and is already behind before work begins. This requires schedule compression through crashing or fast-tracking. Positive 15 days reverses the calculation incorrectly. Zero days would only occur if required date matched calculated duration. The 180-day option confuses project float with critical path duration.
5. A PMI-SP analyzes a project network where Activity M has ES=15, EF=22, LS=18, LF=25. Activity M has one successor Activity N with ES=22. What is the Free Float for Activity M? (Select one!)
Explanation
Free Float is calculated as ES(successor) minus EF(current activity). For Activity M, Free Float = 22 - 22 = 0 days. This means Activity M cannot be delayed without affecting the Early Start of its successor Activity N. The Total Float for Activity M is 3 days (LS - ES = 18 - 15), but this delay would consume float from the successor chain. The 7-day option incorrectly uses duration. The 10-day option has no mathematical basis in the given values.
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