BCG is clear about the outline. Its careers pages name three interview stages with what each assesses: the Skill Interview for experience, skills, and motivation; the Case Interview for problem-solving and analytical skills; and the Team Interview for problem-solving, analytical, and communication skills. On this page that named structure is marked official, while the number of interviews per round, the seniority mix, the Online Case timing and format, and the time to an offer are marked community-reported: detail consistent across practitioner guides and aggregated candidate accounts, but not BCG's stated process.
The single most useful correction is the case-only myth. The most common preparation mistake for BCG is to drill cases and neglect the Skill Interview and the behavioral and fit questions embedded in every round. BCG assesses communication and collaborative mindset alongside problem-solving, and candidates who are strong on the case but thin on the Skill Interview or the Team Interview do not consistently advance. Prepare specific, quantified stories about your experience and motivation with the same rigor as case structuring.
A second correction: BCG has no branded behavioral framework. Unlike McKinsey's PEI, which names three areas and probes one story per area with deep follow-up, BCG does not publish a named system. The STAR method is a community-recommended answer structure, not a BCG label. Prepare stories that are specific, quantified, and owned, but do not expect a named rubric to organize them against.
The practical takeaway runs through every stage: because BCG's application is parsed by Eightfold AI and the interviews pull from the experience your resume implies, the resume work is to be machine-legible and carry specific, quantified impact that both the parser and the case can probe.