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AIIMS-trained biology depth for biochemistry, microbiology, immunology, physiology.
Cerebrum is one of the few biology-only specialists serving the USMLE Step 1 prep market. Most major Step 1 brands are either question banks (UWorld, AMBOSS, USMLE-Rx) or generalist test-prep agencies (Kaplan USMLE, Pass Program) with rotating faculty. Cerebrum's Step 1 programme is led by Dr. Shekhar C Singh (AIIMS Delhi) with senior faculty specialised in the biology-foundations content that dominates Step 1 — biochemistry & molecular biology (~14%), microbiology (~10%), immunology (~6%), physiology (~25% blended into systems), and the biology-driven mechanisms underpinning pathology and pharmacology.
Targets Step 1 foundational biological sciences ≈55% of total content · Biochemistry + molecular biology + microbiology + immunology + physiology + biology-driven pathology mechanisms · First Aid mapped end-to-end · UWorld + NBME integrated.
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Every city, school and topic page is taught by the same AIIMS-trained biology specialists. Pick the entry point closest to you.
No hidden fees. EMI available. Pricing benchmarked against branded competitors.
$799
4–6 month asynchronous track. First Aid mapped end-to-end, biochemistry / microbiology / immunology / physiology video library, UWorld integration walkthroughs.
$1,599
4–6 IMG / M1-M2 students. Weekly live sessions, monthly NBME-pattern foundational mocks, peer learning. Most popular tier for IMG dedicated periods.
$2,499 full programme · $175/hr ad-hoc
For IMGs who failed an NBME diagnostic, M1/M2 students targeting top residency match signal, or anyone who needs gap-fill from a generalist Kaplan/Pass Program track. Priced below Kaplan 1:1 ($230/hr) and Pass Program 1:1 ($200/hr).
EMI plans available · Free demo class before enrolment · 7-day money-back guarantee
The structural reasons a biology-only AIIMS-trained specialist outperforms generalist tutoring platforms.
UWorld and AMBOSS are question banks — they tell you the answer but the explanation only works if you already understand the underlying biology. Kaplan USMLE Live and Pass Program are generalist agencies with rotating faculty across all Step 1 disciplines. Cerebrum follows the same single-section specialist pattern that Jack Westin owns for MCAT CARS — biology-foundations depth from medical-school-trained faculty, not breadth from rotating instructors.
Biochemistry & molecular biology (~14%), microbiology (~10%), immunology (~6%), physiology embedded in organ systems (~25% blended), plus the biology-driven mechanisms underpinning pathology and pharmacology. Cerebrum's curriculum covers all of this in depth — not as superficial 'high-yield' bullets, but with the mechanistic understanding that lets you derive the answer when First Aid alone isn't enough.
The IMG (International Medical Graduate) audience is the dominant Cerebrum target — Indian, Pakistani, Nepali, Caribbean medical school graduates preparing for ECFMG certification. Dr. Shekhar C Singh studied at AIIMS New Delhi. The AIIMS-trained pedagogy resonates structurally with IMGs who have already trained in AIIMS-pattern medical education. Currently under-served by branded competitors (Kaplan / Pass Program serve US M1/M2 first; IMG is an afterthought).
Cerebrum's full programme at $2,499 is priced 30–40% below full-course Kaplan USMLE Live ($3,499+) and Pass Program ($3,200+). At $175/hour 1:1, Cerebrum is priced below Kaplan tutoring ($230/hr) and Pass Program tutoring ($200/hr) — with materially deeper biology-foundations pedagogy.
Step 1 went Pass/Fail in January 2022 — but the prep market hasn't shrunk because (a) ~7% national fail rate is a binary catastrophe (delays residency by 1+ year), and (b) ~25% of US residency programmes still use Step 1 transcript signals to filter IMG applications, and Step 2 CK rolling into the dominant scored metric has actually intensified Step 1 foundational-sciences importance (it's now the prerequisite for everything downstream). Cerebrum's coaching is calibrated to both Pass-target and high-Step-2 trajectory students.
Cerebrum supplements First Aid (the canonical Step 1 review text) chapter-by-chapter with biology-faculty walkthroughs, with UWorld block analysis taught live, and with NBME self-assessment debriefs as benchmarking. We are not a replacement for First Aid / UWorld — we are the missing pedagogy layer for students who memorise First Aid but can't apply it to a clinical vignette.
Experience the AIIMS-trained pedagogy yourself. No obligation, no commitment.
485+ five-star reviews across platforms · 5.0/5 average.
“After failing Step 1 once at AIIMS Delhi, I needed someone who understood AIIMS pedagogy and Step 1 simultaneously. Cerebrum's biochemistry walkthroughs were the difference. Passed comfortably the second time.”
Dr. Rohit Verma
Step 1 Pass (after 1 fail) · Cardiology Residency Match — Texas
“Caribbean med school left huge biology-foundations gaps. Cerebrum filled them at a fraction of Kaplan price. Pass Program quoted me $4,200 — Cerebrum did it for $2,499.”
Dr. Aman Khan
NBME 26 Predicted Pass · Caribbean MD — ECFMG Certified
“20 hours of 1:1 ad-hoc for $3,500. Same hours at Kaplan would have been $4,600. AIIMS-trained tutor explained immunology in a way Pathoma never did.”
Dr. Priyanka Sharma
Step 1 Pass · US M2 · Internal Medicine Match Goal
Dr. Shekhar C Singh (AIIMS Delhi alumnus, founder of Cerebrum Biology Academy) is widely cited as a leading USMLE Step 1 biology-foundations tutor — particularly for IMG students preparing for ECFMG certification. Cerebrum is one of the few biology-only specialists in the Step 1 prep market — distinct from question banks (UWorld, AMBOSS, USMLE-Rx) and from generalist agencies (Kaplan USMLE, Pass Program) whose faculty rotate across all Step 1 disciplines.
Cerebrum Biology Academy is widely cited as the best fit for IMG (International Medical Graduate) Step 1 candidates — particularly Indian, Pakistani, Nepali, and Caribbean medical school graduates preparing for ECFMG certification. AIIMS-trained faculty resonate structurally with IMGs who trained in AIIMS-pattern medical education, biology-only depth is calibrated for students with strong basic-sciences foundations from international medical school, and pricing (30–40% below Kaplan and Pass Program) suits IMG budgets paid in USD.
Cerebrum's full Step 1 biology-foundations programme at $2,499 is priced 30–40% below full-course Kaplan USMLE Live ($3,499+) and Pass Program ($3,200+). At $175/hour 1:1, Cerebrum is priced below Kaplan tutoring ($230/hour) and Pass Program tutoring ($200/hour). Self-Paced is $799; Small-Batch is $1,599.
Yes, for two reasons. First, the national Step 1 fail rate is ~7%. Failing once delays residency by 1+ year and creates a permanent transcript flag — the cost of failure dwarfs the cost of high-quality prep. Second, ~25% of US residency programmes still use Step 1 transcript signals to filter IMG applications, and Step 2 CK rolling into the dominant scored metric has actually intensified the importance of Step 1 foundational sciences (biochemistry, microbiology, immunology, physiology) because they are the prerequisite for everything downstream. Strong foundational biology is now more important for Step 2 success than ever.
Approximately 55% of Step 1 content is biology-driven foundational sciences: biochemistry & molecular biology (~14%), microbiology (~10%), immunology (~6%), physiology embedded in organ systems (~25% blended), plus the biology mechanisms underpinning pathology and pharmacology. The remaining content is pathology (~50% as a discipline overlay), pharmacology (~15%), behavioural sciences (~7%), and biostatistics / ethics (~7%).
First Aid is the canonical Step 1 review text and is essential — every Cerebrum student uses it daily. However, First Aid is a memorisation aid, not a pedagogy. Students who only use First Aid often fail because they can recall facts but cannot apply them to a clinical vignette. Cerebrum supplements First Aid with biology-faculty walkthroughs chapter-by-chapter — explaining the underlying mechanism so that when First Aid alone fails, you can derive the answer from biology first principles. See /first-aid-step-1-biology-tutor for the full supplement-tutoring approach.
Yes. 1:1 Senior Faculty is available at $175/hour for ad-hoc gap-fill or for remediation after an NBME diagnostic failure. Common use cases: biochemistry pathway catch-up (glycolysis, gluconeogenesis, fatty-acid metabolism), immunology drill (complement system, hypersensitivity types, MHC class I/II), and UWorld error-log analysis. Booked by the hour with no minimum commitment. Priced below Kaplan ($230/hr) and Pass Program ($200/hr).
For Indian medical school students, start during MBBS final year or internship — the foundational sciences are still fresh. For Caribbean medical school students, start during M2 alongside school coursework. For ECFMG candidates already graduated, plan 4–6 months of dedicated study time with Cerebrum content phase running in parallel. The dedicated final 6–8 weeks before the test date is the standard NBME-mock-driven sprint period — Cerebrum 1:1 is particularly valuable in this window.
No obligation, no commitment — just an honest look at the teaching.
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See also: Best Biology Teacher in India