Test Prep Guide (GMAT/GRE) - 2025 Version
- Lauren Wong
- Apr 16, 2025
- 4 min read
Updated: Jun 24
Note: This article was originally written in 2025 and updated as of June 2026.
For those considering applying to a Master’s or MBA program, this is typically the time of year when standardized testing becomes real.
Whether you’re just starting or already deep into studying, I want to share how to approach the GMAT/GRE more strategically—based on my experience as a former standardized test tutor and someone who self-studied to the 95th percentile on the GMAT.
If you want a full breakdown of GMAT vs. GRE vs. other options, you can refer to my Standardized Test Breakdown post. Here, I’ll focus on how to think about scoring, timelines, and actually improving.
A Quick Note on Scores (Updated for GMAT Focus)
With the introduction of the GMAT Focus Edition, scores are now reported on a 205–805 scale (instead of the old 200–800). Because of this change, percentiles have become the most reliable way to benchmark performance.
As a rough reference:
A legacy 700 (~87th percentile) ≈ ~645 on GMAT Focus
This isn’t a perfect conversion, but it’s directionally useful.
That said, don’t anchor too hard on “target numbers.” The goal should always be to maximize your score relative to your ability and timeline—not just hit a perceived cutoff.

Study Timeline & Planning
1. Set a Realistic (but Ambitious) Goal
Your target score should be based on your target programs.
Top programs (M7 / Top 10): higher end of score ranges
Top 25: slightly wider flexibility
Most schools publish GMAT ranges (often middle 80%). A good rule:→ Aim for the upper end of that range but anything in ballpark goes.
For GRE:
Top 10: ~325+
Top 25: ~320–325
Remember, these are benchmarks—not ceilings.
2. Give Yourself Enough Time
In most cases, you’ll want 3–6 months of preparation.
If verbal is a weakness (common for international applicants), lean toward 5–6 months
If you’re balancing work + applications, build in buffer time
3. Match Your Strategy to Your Timeline
6+ months→ Focus on fundamentals first, then deep practice→ Highest upside for top scores
3–6 months→ Balanced approach (learning + application)→ Still strong potential for competitive scores
1–3 months→ Focus on strategy, timing, and test-taking skills→ Less room for foundational improvement, more execution
How to Structure Your Studying
Before you start: diagnose your baseline.
Take a mock test and use that to build your plan:
Study frequency
Weak areas
Resource selection
Then structure your prep in 3 stages:
Stage 1 – Learn Foundations
Build conceptual understanding and core problem-solving skills
Stage 2 – Apply & Reinforce
Practice targeted questions under time pressure
Focus on accuracy + pattern recognition
Stage 3 – Test Readiness
Full-length mocks
Build stamina, pacing, and mental consistency
Study Resources: What Actually Works
There are three main approaches: Self- study, Group Classes/Cram Schools, Private Tutoring.
1. Self-Study (Most Efficient if Done Well)
Cheapest of the options, this is option is best if you:
Are disciplined
Can structure your own plan
Can identify and fix weaknesses
Success here comes down to:
Consistency
Using multiple high-quality resources
Reviewing mistakes deeply
2. Group Classes / Cram Schools
Useful if you need:
Structure
External accountability
Guided curriculum
But don’t default to “popular” options—evaluate:
Teaching approach
Personalization
Whether they actually diagnose your level
3. Private Tutoring
Most expensive option but best for:
Personalized strategy
Targeted improvement
Accountability
Most effective when paired with self-study—not as a replacement for it.
Here's a quick table summarizing the options
Study Method | Cost | Pros | Cons | Best For |
Self-Study | Low | - Most affordable option - Flexible schedule - Wide range of free/paid resources available | - Requires strong discipline - Can be overwhelming to find the best materials - No structured guidance | Independent learners who are disciplined and resourceful |
Cram School/Group Class | Medium | - Structured study plan - Accountability from classmates and instructors - Access to expert strategies and feedback | - Can be expensive - May not be personalized enough for individual weaknesses | Those who need structure, external accountability, and guided instruction |
Private Tutor | High | - Personalized study plan - Tailored strategies for weak areas - One-on-one guidance and motivation | - Expensive - Requires a balance of self-study to be cost-effective | Those who need deep support, targeted strategies, and a coach to keep them accountable |
Which option is best ultimately depends on you—your discipline, learning style, and how much structure you need.
From both tutoring and my own experience, what actually drives results isn’t the format—it’s consistency and how effectively you use your resources.
Top 3 Mistakes to Avoid
1. Over-relying on one resource: Different materials teach differently. Use multiple sources to expand your thinking.
2. Ignoring timing strategy: Pacing is half the test. Practice under timed conditions early—not just at the end. Regularly take mock tests (free/paid online options) to make sure you're benchmarking yourself while building the endurance to complete the entire test.
3. Not reviewing mistakes properly: Doing questions ≠ improving. Improvement comes from understanding why you got something wrong. If you don't have one yet, look into an Error Log and incorporating it into your study routine.
Final Thoughts & Encouragement
Standardized test prep is a marathon.
Strong scores come from:
Consistency
Smart resource use
Deep review of mistakes
And remember—your test score is just one part of the application.
I’ve seen applicants with lower scores get into top programs because their overall story, positioning, and execution were strong. Don’t let the test become the bottleneck—but don’t underestimate it either.
If you want guidance on how to approach your test strategy alongside your overall MBA application, I offer free 30-minute consultation calls where we map out a clear plan based on your goals, timeline, and target schools.
Let’s make sure you’re not just studying hard—but studying smart.


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