A Complete Guide to Nursing Prerequisites and Beginning Your Nursing Career
Starting a nursing career is an incredibly rewarding choice, but the path to becoming a Registered Nurse (RN) begins long before you step foot in a clinical setting. It starts with successfully completing your pre-nursing requirements. These foundational courses are not just boxes to check; they are the crucial academic building blocks that ensure you have the necessary knowledge base to handle the challenging workload of a BSN program, ADN program, or Accelerated BSN (ABSN) program.
This guide will break down the essential prerequisite courses for nursing school, show you how to navigate varying admissions standards, and highlight student-friendly routes available for every type of student—from recent high school graduates to those switching professions.
Nursing Prerequisites Explained: What They Are and Why They Count
Nursing prerequisites are a specific set of required college-level courses that must be completed before a student can apply to or enroll in a nursing program. These courses serve three main purposes:
- Lay the Groundwork: They provide the necessary academic foundation to understand advanced concepts in pharmacology, pathophysiology, and patient care.
- Show Admission Committees You Can Succeed: Your performance in these courses, particularly your science/prerequisite GPA, is often the single most important factor for admission committees when determining if you can handle the intensity of nursing school.
- Standardize Entry: They ensure all students entering a program have met a minimum standard of academic preparation, regardless of their previous major or educational background.
A highly competitive GPA in your science prerequisites (typically at least a 3.0) is often required for gaining acceptance into many programs.
Must-Have Nursing Prerequisites You’ll Need
While specific requirements can differ by school and location, there is a core set of nursing prerequisites that almost every program demands. These are often the hardest prerequisites, but they are key to your success in the field.
The Big Three Science Prereqs
These three disciplines form the bedrock of medical understanding and patient care:
- A&P I and II: Often split into two semesters, A&P is the top science prerequisite. You'll learn the structure (anatomy) and function (physiology) of the human body, which is essential to understanding health and disease.
- Microbio: This course covers microorganisms (bacteria, viruses, fungi, and parasites), their relationship to the human body, and the mechanisms of infection and immunity. It’s essential for grasping infection control and infectious diseases.
- Chem: Typically, general chemistry is required, sometimes followed by an organic chemistry or biochemistry component. This knowledge is crucial for understanding pharmacology, fluid and electrolyte balance, and metabolic processes.

Other Common Prereqs: Math, English, and Gen Ed
In addition to the hard sciences, nursing programs require general education courses to ensure you possess strong analytical, communication, and social awareness skills:
- Mathematics: Usually includes Algebra at the college level and/or Intro Statistics. Statistics is particularly important for interpreting medical research and evidence-based practice.
- English and Communication: English Composition (I & II) is required to hone the clear, professional communication skills necessary for documenting patient charts and interacting with healthcare teams.
- Psych/Soc Requirements: Courses like General Psychology (especially Developmental Psychology/Lifespan Development) and Intro Sociology are crucial for understanding human behavior, mental health, and the social dynamics that affect patient wellness.
- Human Nutrition: A dedicated course on nutrition is increasingly common, covering dietetics and the role of food in health and disease management.
Key Logistics for Nursing Prereqs
Completing the courses is only part of the journey. Successful applicants must also navigate administrative and logistical requirements effectively.
Accreditation Basics for Nursing Programs
Accreditation is absolutely essential. You must ensure that the nursing program you plan to apply to is recognized by a national organization, such as the CCNE accreditation or the ACEN.
Why You Should Care:
- It verifies the program meets high standards for nursing education.
- It ensures you are eligible to sit for the National Council Licensure Examination for RNs.
- It is often required for FAFSA eligibility, military support, and hiring.
Making the Most of Transfer Credits
If you have existing college credits, knowing how to transfer them can save you significant time and money. Programs have specific course equivalency policies. It's vital to:
- Verify Equivalence: Contact the nursing school's admissions office to confirm that your specific course at your current college is accepted as equivalent to their prerequisite.
- Make Sure Credits Aren’t Too Old: Many science prerequisites (A&P, Microbiology) have a time limit and may need to have been completed within the last 5 to 10 years to be accepted.
- Review Pass/Fail Policies: Most programs require a letter grade (usually a "C" or better) for all prerequisites, especially the core sciences. Pass/Fail grades are often not accepted.
Licensing Rules by State
It's crucial to understand that state regulations affect your licensing. While prerequisites are set by the school, nursing regulations and licensing standards (such as background checks, clinical hour requirements, and NCLEX registration) are governed by your state’s Board of Nursing. Always consult the official board for the state where you plan to practice to ensure your chosen program meets all necessary criteria.
Flexible Ways to Complete Nursing Prerequisites
The journey to nursing school isn't a single set path. Many resources are available to help career changers meet their required prerequisites without interrupting their lives.
Online Nursing Prerequisites
The rise of online prereqs offers unparalleled flexibility. Taking courses like Statistics, Psychology, and even some science courses virtually allows students to:
- Set Their Own Pace: Many accredited platforms offer self-paced learning, which is ideal for working adults or single parents.
- Reduce Costs: Online courses from community colleges or external educational providers often have a lower tuition cost.
- Learn Anywhere: Overcoming geographical limitations to access required courses.
Important: Always verify with your target nursing school that they accept online prerequisites, particularly for laboratory components.
Paths for Career Switchers & Veterans
- Accelerated BSN Tracks: If you already hold a bachelor’s degree in a non-nursing field, you are the prime applicant for an ABSN program. These programs condense the nursing curriculum into 12-18 months. Nursing Prerequisites and How to Excel in Them . You still need to complete the core science and math prereqs, but your previous degree fulfills the general education requirements.
- Veterans: Military medical experience and training (such as medic or corpsman training) can often be leveraged for credit or to waive certain prerequisites. Explore specialized programs that recognize and integrate your military background.
Budgeting for Your Prerequisites
The Cost Analysis of your education should cover more than just nursing school tuition. Taking prerequisites can represent a significant financial investment.
When planning, consider:
- Credit-Based Tuition: Community colleges usually offer the most affordable path for prerequisites.
- Textbook and Lab Fees: Science courses often have mandatory lab fees and expensive textbooks.
- Financial Aid: Prerequisites taken at a college or university may be eligible for federal financial aid (FAFSA), especially if you are seeking a degree or certificate.
Taking your prerequisites strategically and utilizing affordable, accredited online options is the smartest approach to maximize your return on investment (ROI) and minimize debt before the main nursing program even begins.

Conclusion: Your Next Moves Toward Nursing School
Completing your nursing prerequisites is the first and most crucial step toward your goal of becoming a nurse. It requires careful planning, a strong focus on your science GPA, and a commitment to understanding the unique requirements of your chosen nursing programs.
Take the time now to:
- Plan Your Classes: Compare the prerequisites of multiple nursing schools you are interested in and create a master list of courses you need.
- Check Transfer Policies: Contact the admissions offices of your target schools ahead of time enrolling in any course.
- Aim for Strong Grades: Treat these courses as an audition for nursing school. High grades will open the doors to the best programs.
Begin your prep now, and you will be well on your way to a successful application and a fulfilling career in professional nursing.
