Most CRNA programs ask for two or three references, usually your current nurse manager or supervisor, a clinical colleague and sometimes a CRNA or professor. Ask early, at least six to eight weeks before the deadline, and give each person a short brief so their letter is specific.
Programs set their own rules about who can write a reference, so read each one's requirements before you ask anyone.
Check each program's rules first
Reference rules vary more than applicants expect. Before you choose anyone, check:
- How many references the program wants.
- Required roles. Some programs require your current direct supervisor. Others want a CRNA, an advanced practice provider or a former professor.
- Format. Some use a rating form, some a letter and some both.
- How they're submitted. Many use NursingCAS or the school's own portal, which emails your reference directly.
If you apply through NursingCAS, references are submitted electronically by the references themselves through Liaison's recommender portal. NursingCAS notes that many programs have strict rules and that completed references can't be removed or replaced. Read our NursingCAS guide for how that system works.
Who to ask
Choose people who have seen your critical care work up close and can describe it in detail. A specific letter from a charge nurse often beats a vague one from a senior title.
Strong choices
- Your current nurse manager or direct supervisor. Many programs expect this one. If you're on good terms, ask them first.
- A charge nurse or senior ICU colleague. They can describe how you handle unstable patients and busy shifts.
- An ICU physician, nurse practitioner or PA you work with often. They can speak to your judgment and communication.
- A CRNA, if a program asks for one and you know one well, perhaps from shadowing or your hospital.
- A professor, if you finished school recently or took graduate courses to strengthen your record.
Weaker choices
- Friends or family, even if they are clinicians.
- Someone with an impressive title who barely knows you.
- A CRNA you shadowed for a single day, unless the program accepts that and they agree they can write something meaningful.
- A former manager from a non-ICU job when a current ICU supervisor is available.
If you can't ask your current manager
Some applicants worry about telling their manager they plan to leave. If a program requires your supervisor, you will need to have that conversation. Where it's optional, pick an assistant manager, educator or charge nurse who knows your work, and be ready to explain your choice if asked.
When to ask
Build in time for busy people. A simple timeline:
| When | What to do |
|---|---|
| 3 to 4 months before your first deadline | Make a list of programs and their reference rules |
| 2 to 3 months before | Ask each person in person or by a short message |
| 6 to 8 weeks before | Send your brief and submit their details in the application system |
| 3 weeks before | Send a polite reminder if letters are still pending |
| 1 week before | Confirm every reference shows as complete |
Use our deadlines list to find your earliest date. Programs with rolling admission reward early, complete applications.
How to ask
Ask directly and give an easy way to decline. For example: "I'm applying to nurse anesthesia programs this fall. Do you feel you know my work well enough to write a strong reference?"
If someone hesitates, thank them and ask someone else. A lukewarm letter can hurt more than a missing one.
How to brief your references
A good brief makes your reference's job faster and their letter more specific. Keep it to one or two pages.
Include:
- Your target programs and deadlines, with the format each one uses.
- What the system will send. Tell them the email will come from the application service, and ask them to check spam folders. NursingCAS requests come from support@nursingcas.myliaison.com.
- Your resume, with ICU years, certifications and leadership roles.
- Two or three examples they witnessed. Remind them of a specific patient situation, a project or a time you precepted someone. Never include details that could identify a patient.
- The qualities programs look for. Clinical judgment, calm under pressure, teamwork, reliability and the ability to learn fast.
- Your personal statement draft, so their letter supports the same story. See our personal statement guide.
Don't write the letter for them. Programs want the reference's own view, and most systems require them to submit it themselves.
Waiving your right to see the letter
Many application systems ask whether you waive your right to read your references. NursingCAS asks this before you can request any reference, under FERPA.
Most applicants waive the right. Committees tend to trust confidential letters more, so think carefully before choosing not to waive.
After the letters are in
- Thank each person with a short note.
- Tell them the outcome, whatever it is.
- If you reapply next cycle, ask whether they're willing to update their letter. NursingCAS does not carry references over to a new cycle. See reapplying after a rejection.
Track every reference in one place. Our free CRNA school application checklist has a section for this.
FAQ
How many letters of recommendation do I need for CRNA school?
Most programs ask for two or three. Check each program, because the number and required roles differ.
Does a CRNA have to write one of my letters?
Only at some programs. Others accept clinical supervisors and colleagues. Check each program's list of acceptable references.
Can a travel nurse use a manager from an assignment?
Often yes, if they supervised your ICU work and the program accepts them. Ask the program if you're unsure who counts as your "current supervisor."
What if a reference misses the deadline?
Contact them early with a reminder and the link. If they still can't do it, ask a backup and check whether the program allows you to swap references.