A Complete Guide to Nursing Prerequisites and Beginning Your Nursing Career
Choosing nursing as a career can be deeply fulfilling, but the path to becoming a professional RN begins long before you step foot in a clinical setting. It starts with successfully completing your nursing prerequisites. These foundational courses are not just boxes to check; they are the key foundations that ensure you have the necessary knowledge base to handle the challenging workload of a Bachelor of Science in Nursing (BSN), ADN program, or accelerated nursing track program.
Below, we’ll walk through the must-have nursing school prerequisites, show you how to navigate complex requirements, and highlight adaptable pathways available for every type of student—from students fresh out of high school to career changers.
Understanding Nursing Prerequisites (and Why They’re Important)
Nursing prerequisites are designated college classes needed before entry that must be completed before a student can apply to or enroll in a nursing program. These courses serve three key goals:
- 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 Prerequisite GPA, is often the single most important factor for admission committees when determining if you can handle the academic load of nursing school.
- Standardize Entry: They ensure all students entering a program have met a baseline level of academic preparation, regardless of their previous major or educational background.
A solid GPA in your science prerequisites (typically at least a 3.0) is essential for gaining acceptance into many programs.

Essential Science and Math Prerequisites for Nursing School
While specific requirements can differ by school and location, there is a core set of pre-nursing classes that almost every program demands. These are often the toughest classes, but they are crucial to your success in the field.
The Core Science Trio (The Non-Negotiables)
These three disciplines form the cornerstone of medical understanding and patient care:
- Anatomy & Physiology (A&P I & 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 foundational to understanding health and disease.
- Introductory Microbiology: This course covers microorganisms (bacteria, viruses, fungi, and parasites), their relationship to the human body, and the mechanisms of infection and immunity. It’s key for grasping infection control and infectious diseases.
- General Chemistry: 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.
General Education Nursing Prerequisites
In addition to the hard sciences, nursing programs require general education courses to ensure you possess strong critical thinking, communication, and social awareness skills:
- Math: Usually includes Algebra and/or Statistical Methods. 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 Intro Psych (especially Developmental Psychology/Lifespan Development) and Social Science are crucial for understanding human behavior, mental health, and the social dynamics that affect patient wellness.
- Nutrition: A dedicated course on nutrition is increasingly common, covering dietetics and the role of food in health and disease management.
Navigating the Logistics: Accreditation, Transfers, and Program Choice
Completing the courses is only part of the journey. Step-by-Step Guide to Understanding Nursing Prerequisites . Successful applicants must also navigate administrative and logistical requirements effectively.

Understanding Nursing Program Accreditation
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 or the ACEN accreditation.
Why Accreditation Matters:
- It verifies the program meets high standards for nursing education.
- It ensures you are eligible to sit for the NCLEX-RN.
- It is often required for military benefits, federal financial aid, and most employers.
How to Transfer Credits Smoothly
If you have existing college credits, knowing how to transfer them can save you significant time and tuition. Programs have specific credit transfer policies. It's vital to:

- Confirm Course Equivalency: 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.
- Watch for Pass/Fail Rules: 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.
State-Specific Nursing Regulations
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.
Finding the Right Path: Flexible Options for Every Student
The journey to nursing school isn't one-size-fits-all. Many resources are available to help busy adults meet their nursing prerequisites without interrupting their lives.
Virtual Prereq Options
The rise of online nursing prerequisites 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.
- Avoid Location Limits: Overcoming geographical limitations to access required courses.
Heads up: Always verify with your target nursing school that they accept online prerequisites, particularly for laboratory components.
Extra Support for Non-Traditional Students
- Accelerated Nursing Programs (ABSN): 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 about 12 to 18 months. You still need to complete the core science and math pre-nursing classes, but your previous degree fulfills the general education requirements.
- Veterans & Military: 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.
Financial Planning: Understanding the Cost of Prerequisites
The financial planning of your education should cover more than just nursing school tuition. Taking prerequisites can represent a significant financial investment.
When planning, consider:
- Tuition Per Credit: Community colleges usually offer the most affordable path for prerequisites.
- Materials 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.
Start by doing the following:
- Plan Your Classes: Compare the prerequisites of three different nursing schools you are interested in and create a master list of courses you need.
- Verify Credit Transfer: Contact the admissions offices of your target schools prior to enrolling in any course.
- Commit to Success: Treat these courses as an audition for nursing school. High grades will open the doors to the best programs.
Get started now, and you will be well on your way to a successful application and a fulfilling career in professional nursing.