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.
Questions
838
Duration
210 minutes
Passing Score
Pass/Fail
Difficulty
ProfessionalLast Updated
Feb 2026
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 correct answers and explanations. Start a practice session to test yourself across all 838 questions.
1. A PMI-SP analyzes schedule health metrics and identifies that 18 activities out of 320 total activities use Start-to-Start relationships, 12 activities use Finish-to-Finish relationships, and 290 activities use Finish-to-Start relationships. Does the schedule meet DCMA relationship type requirements? (Select one!)
Explanation
DCMA 14-point assessment requires Finish-to-Start relationships to represent at least 90 percent of total relationships. The calculation is 290 Finish-to-Start divided by 320 total activities equals 90.6 percent, which meets the threshold. While Start-to-Start and Finish-to-Finish relationships are valid, excessive use indicates potential logic problems or workarounds for poor planning. The combined 9.4 percent of other relationship types is within acceptable limits. DCMA does not prohibit Start-to-Start and Finish-to-Finish relationships but recommends minimizing their use. All relationship types being valid does not address the DCMA threshold question.
2. A telecommunications upgrade project is experiencing resource conflicts and budget pressure. The project manager must decide between crashing and fast-tracking to compress the schedule by 3 weeks. The critical path activities that can be crashed have a combined crash cost of $45,000 for 3 weeks. Fast-tracking would allow parallel execution with no direct cost increase but requires additional coordination meetings and increases rework probability by 15%. Which factors should influence the compression technique selection? (Select two!)
Multiple correct answersExplanation
Crashing adds resources to shorten duration, which increases direct costs (the $45,000) but does not inherently increase risk because activities remain sequential with proper risk management. Fast-tracking performs sequential activities in parallel, which adds no direct cost but significantly increases risk through potential rework, coordination complexity, and the 15% rework probability mentioned. Fast-tracking does impact costs indirectly through coordination and potential rework, contradicting the claim of no cost impact. Crashing increases cost while reducing schedule, not reducing both. The techniques have different float impacts—crashing may preserve some float while fast-tracking typically consumes available float through parallel execution.
3. During schedule monitoring, a scheduler observes that the Schedule Performance Index has improved from 0.85 to 0.92 over the past two reporting periods. However, the critical path activities show increasing delays. What should the PMI-SP conclude? (Select one!)
Explanation
Schedule Performance Index can be misleading when non-critical activities with significant budget complete ahead of schedule, inflating the SPI metric while critical path activities that actually control project completion fall further behind. This is a known limitation of traditional earned value schedule metrics. SPI improvement does not guarantee critical path is on schedule. If the critical path had shifted, the previously critical activities would show improved performance, not increasing delays. There is no indication of calculation errors; this represents a fundamental limitation of using earned value for schedule performance when critical and non-critical work have different performance trends.
4. A telecommunications project contains Activity FIBER-OPTIC-SPLICE with Early Start day 45, Late Start day 48, Early Finish day 52, and Late Finish day 55. The activity has one successor, Activity NETWORK-TEST, with Early Start day 54. What is the free float for FIBER-OPTIC-SPLICE? (Select one!)
Explanation
Free float represents the amount of time an activity can be delayed without affecting the Early Start of any successor. Free Float = ES(successor) - EF(current) = 54 - 52 = 2 days. Total float for this activity is 3 days (LS - ES = 48 - 45), but only 2 days can be used without impacting the successor's Early Start. Using all 3 days of total float would delay the successor. Zero days would indicate the activity is on the critical path. Seven days has no relationship to the calculated values.
5. A PMI-SP reviews the Schedule Management Plan during project initiation and finds it specifies the Critical Path Length Index (CPLI) must remain at or above 0.95 throughout execution. At the current data date, the critical path length is 240 days and total project float is -14 days. What is the current CPLI, and does it meet the threshold? (Select one!)
Explanation
Critical Path Length Index equals (Critical Path Length plus Total Float) divided by Critical Path Length. CPLI measures schedule health where values below 0.95 indicate schedule stress. With critical path of 240 days and total float of negative 14 days, CPLI equals (240 plus negative 14) divided by 240 equals 226 divided by 240 equals 0.942. This value falls below the 0.95 threshold, indicating schedule performance issues requiring corrective action. Negative float means the project is behind schedule, reducing CPLI below 1.0. When CPLI drops below 0.95, it signals the remaining work cannot be completed within available time without schedule compression or scope reduction. The calculation remains valid with negative float because CPLI is specifically designed to measure schedule compression conditions. A CPLI of 0.942 means the schedule is 94.2 percent efficient, falling short of the required 95 percent minimum.
One-time access to this exam