Biology Major for Nursing (Pre-Nursing Guide)

A biology bachelor’s degree can prepare you for nursing prerequisites and offer another science career option, but it does not qualify you to become a registered nurse. To practice as an RN, you must complete an approved prelicensure nursing program and pass the NCLEX-RN. Compare this route with direct-entry nursing programs before choosing, since biology first may add time and cost.

Would you rather study biology first and keep other science careers open, or focus on nursing from your first term? How much time and tuition can you commit before starting work as a registered nurse? These questions matter because “pre-nursing” is usually a plan for completing nursing admission requirements, not a separate degree or a guarantee of entry.

In my work helping students compare bachelor’s pathways, I see one choice make the biggest difference: whether a biology major fits the nursing program they want and the time and cost they can manage. Start with that program’s current requirements, then build your degree plan around them.

Admissions pathways and nursing-program overview

A biology major can lead to nursing through more than one route. The key difference is when you enter nursing school: some students apply to a BSN program as first-year students, while others finish a bachelor’s degree first and then apply to a separate nursing program.

A BSN is a bachelor of science in nursing. A biology degree is a different bachelor’s degree, even if it includes courses that nursing programs require. For RN licensure, you need to graduate from a prelicensure nursing program approved by the relevant state board of nursing and meet that state’s licensing rules.

Clinical training means supervised practice in care settings as part of nursing education. Its timing and structure vary by program. An accelerated BSN is generally designed for students who already hold a bachelor’s degree in another field, but eligibility, length, and admission rules differ by school.

Before choosing, confirm that the nursing program is approved by the board of nursing in the state where you plan to seek licensure. You can also check whether it is accredited by the Commission on Collegiate Nursing Education (CCNE) or the Accreditation Commission for Education in Nursing (ACEN). Programmatic accreditation and state approval are different checks; ask the program or state board what applies to your situation.

Illustrative pathway scenarios: A high school student who is sure about nursing might compare direct-entry BSN options first. A student already drawn to biology might compare the biology-to-nursing route with a direct-entry program. A student with college credits should ask both the biology department and prospective nursing schools how those credits apply. These are planning examples, not promises of admission or transfer credit.

Biology curriculum, nursing prerequisites, and degree requirements

A biology major covers the study of living systems, but its required courses may not match a nursing program’s prerequisite list. A degree audit shows how your courses apply to your bachelor’s requirements; the nursing program’s checklist determines whether you meet its admission requirements. Use both, and verify course matches before you enroll.

Many bachelor’s programs require about 120 semester credits, but the current college catalog and your degree audit control. Your total may include general education, biology-major courses, electives, and any required nursing prerequisites. Some biology courses may overlap with prerequisites, but do not assume that a course counts toward both until each department confirms it.

Nursing programs commonly require courses such as anatomy and physiology with labs, microbiology, chemistry, statistics, and human development. Requirements differ. Programs may set minimum grades, require labs, limit how old a course can be, or accept only specific course equivalents. A “lab” is a scheduled course component in which students do hands-on or guided scientific work; check whether the nursing school requires a lab for each science prerequisite.

Create a term-by-term plan before registering. For each course, record the college, course number, credits, lab status, expected term, and the nursing program that accepts it. If you plan to transfer, request written guidance from the receiving school. A course’s title alone does not prove it will transfer or satisfy a prerequisite.

Ask the biology adviser and nursing admissions office to review the same plan. If their answers differ, request clarification from the nursing program that will decide your application. Check again before each term, since requirements, course offerings, and application dates can change.

Academic success, clinical preparation, and student experience

Nursing admissions rules vary by program, so there is no universal GPA or entrance-test cutoff. A cumulative GPA and science GPA of 3.0 or higher can be useful planning targets, but they are not guarantees of admission. Check each program’s published minimums, prerequisite-grade rules, and selection process.

A minimum GPA may be only one part of an application. Some schools weigh prerequisite grades, entrance exams, interviews, references, or other factors; others use different criteria. Take the TEAS or HESI only if a program you plan to apply to requires it. Confirm which test, score rules, and deadline apply before paying for preparation or registration.

A realistic plan needs room for challenging science courses, labs, and application tasks. Before each term, check course prerequisites and the timing of courses you need later. If a required course is offered only once a year, missing it can delay your application. Use tutoring, office hours, study groups, and academic advising early if a course is difficult.

Nursing programs include clinical requirements, but biology courses do not replace them. Clinical education is part of the nursing program and prepares students for supervised patient care. You can explore nursing work through permitted volunteer or work experiences, but check employer and program rules; observation or work does not substitute for nursing education or licensure.

I encourage students to test their plan against three practical questions:

• Can I complete biology degree requirements and the nursing prerequisites without taking extra courses?
• Do the nursing application dates fit my expected graduation date and prerequisite schedule?
• Can I manage the total cost if I need an additional nursing degree after biology?

If you need financial aid, file the FAFSA and any required college aid forms by each school’s stated priority deadlines. Compare the full estimated cost and use each college’s net price calculator, which estimates the cost after aid based on the school’s method. Advertised tuition alone does not show the full cost of completing both degrees.

RN licensure, career pathways, and employment outcomes

A biology bachelor’s degree may support further study or science-related work, but it does not make you eligible to practice as an RN. The usual next steps are to complete a state-approved prelicensure nursing program, meet its graduation and clinical requirements, apply for licensure under the intended state’s rules, and pass the NCLEX-RN.

The National Council of State Boards of Nursing (NCSBN) provides nursing education and regulatory resources, but each state board sets or administers its own licensing process. Confirm requirements with the board where you plan to apply. Do not assume that graduating from a biology program, taking nursing prerequisites, or working in a health setting replaces an approved nursing program.

Before you commit, check the institution’s accreditation through the U.S. Department of Education’s accreditation resources. CHEA also maintains a separate directory. Verify current program approval with the relevant state board, and check CCNE or ACEN accreditation when applicable. These checks answer different questions, so consult the school and board if you are unsure which status applies.

Use this sequence to make a decision:

• Compare routes: List direct-entry BSN, transfer-entry BSN, and biology-first options available to you.
• Check approval and admission rules: Review the state board’s information and each nursing program’s current requirements.
• Map courses: Match the biology degree and nursing prerequisites term by term; request written confirmation of transfer or course equivalency.
• Compare time and cost: Include all required degrees, fees, possible added terms, and financial aid. Use net price calculators.
• Apply on schedule: Track prerequisite completion, transcripts, references, tests if required, and each program’s deadline.
• Finish nursing education: Complete the approved program, fulfill its requirements, and follow state instructions to apply for the NCLEX-RN.

If your main goal is to become an RN as soon as practical, compare the biology-first route with direct-entry nursing programs before declaring a major. If you value biology study for its own sake or want a broader science degree, the biology route may suit you, provided you understand the additional nursing admission step. There is no route that fits every student; the right comparison is your actual program options, costs, and timeline.

Conclusion and frequently asked questions

The main decision is not whether biology is “good” for nursing. It is whether a particular biology degree fits the prerequisites for a particular nursing program and whether the added time and cost make sense for you. Check official requirements before you commit, and keep a written course plan that both schools can review.

Can I become an RN with a biology degree?
No. A biology degree alone does not qualify you for RN licensure. You must complete an approved prelicensure nursing program and meet state licensing requirements, including passing the NCLEX-RN.

Is biology a good major for pre-nursing?
It can be a fit if you want biology coursework and can complete the nursing program’s prerequisites. Compare it with a direct-entry BSN for total time, cost, and course requirements.

Does a biology major include all nursing prerequisites?
Not always. Check the exact prerequisite list for each nursing program, including required labs, minimum grades, and any course age limits.

What GPA do I need to get into nursing school?
There is no universal cutoff. Each program sets its own minimums and selection rules. A 3.0 cumulative and science GPA can be a planning target, not a guarantee of admission.

Do I need to take the TEAS or HESI?
Only if the nursing program you are applying to requires it. Check the current application instructions for the required test, score rules, and deadline.

Should I earn a biology degree before a BSN?
Not necessarily. A direct-entry BSN may be a more direct path if nursing is your clear goal. A biology degree first may add education time and cost before nursing school.

Can my biology courses transfer to a nursing program?
Some may, but acceptance depends on the receiving school’s rules and course equivalency review. Ask the nursing program for written confirmation before relying on a course transfer.

How do I check whether a nursing program is approved?
Confirm approval with the state board of nursing where you plan to seek licensure. You can also check for CCNE or ACEN programmatic accreditation when applicable.

What happens after I finish nursing school?
You must meet the licensing requirements of the state where you apply and pass the NCLEX-RN. Follow that state board’s current instructions for the application process.

How do I compare the cost of biology first with a BSN?
Add tuition, fees, living costs, and likely time in school for every required program. Use each college’s net price calculator and confirm which credits will count before estimating your total.

(This article was written by one of our staff writers, Matthew Ellison. Visit our Meet the Team page.)