BCG Interview Prep: 2-Week Prep Plan
Official: BCG Careers ↗
2-Week Prep Plan is enough time to prepare for Boston Consulting Group interviews at 4-6 hours per day — roughly 63 hours total. The plan moves through 2 weekly phases covering BCG's candidate-led case format and Casey Chatbot, and is designed for candidates with some case experience looking for structured preparation.
Duration
2 Weeks
Intensity
Intensive
Hours/Day
4-6
Risk Level
Medium
How many hours a week do you need?
Set your weeks remaining and case experience to spread this plan’s 56–84 total hours across your runway to the BCG interview.
You need about 35 hrs/week (≈ 5 h/day) over 2 weeks.
Comfortable pace within this plan's 4–6 h/day range.
You have time to run all 2 phases as written.
Based on this plan’s 56–84 total hours (4–6 h/day × 14 days). Experience picks where you land in that range: new to cases → top, 10+ cases → bottom.
Overview
Prerequisites
- Basic business fundamentals
- Ability to dedicate significant daily hours
- Some prior case exposure
Week-by-Week Prep Schedule
- Days 1-2: Learn all core frameworks (profitability, market sizing, M&A, market entry)
- Days 3-4: Mental math fundamentals and daily drills
- Days 5-6: Research BCG format and do 3-4 practice cases
- Day 7: Review week's learning and rest
- Days 8-10: Intensive case practice (2 cases/day)
- Days 11-12: Behavioral prep and mock interviews
- Days 13: Focus on Casey Chatbot
- Day 14: Light review and mental preparation
Priority Guide
With limited time, focus on what matters most. Here's how to prioritize your 2 weeks of preparation:
Must Do
Non-negotiable for interview success
- Master core frameworks (profitability, market sizing)
- Complete 8-10 practice cases
- Practice candidate-led format specifically
- Daily mental math drills (20-30 min)
- Prepare 4-5 behavioral STAR stories
- Prepare for Casey Chatbot
Should Do
Strongly recommended if time permits
- Learn M&A and market entry frameworks
- Practice synthesis and recommendation delivery
- Do at least 2 mock interviews
- Review your practice cases for patterns
Nice to Do
Will give you an edge
- Study industry-specific case examples
- Read about firm culture and values
- Practice with different case partners
- Review firm thought leadership
BCG-Specific Focus Areas
Boston Consulting Group has unique interview elements. Make sure your prep covers these:
Warning Signs You Need More Time
If you experience any of these during your prep, consider requesting an interview delay:
- You struggle to structure a case within 2 minutes
- Mental math takes you more than 30 seconds per calculation
- You can't articulate a clear hypothesis early in cases
- Your recommendations lack specificity and actionability
- You're completing less than half the planned practice
- Progress feels slower than expected
- Behavioral stories aren't polished yet
- You haven't done any timed practice
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