Theresa Muesel, RN

Theresa Muesel, MSN, RN

Campus Nurse

Phone: 936-276-5509

Fax: 936-276-5501

Please feel free to call or email me with any health concerns regarding your student.

About Nurse Muesel....My name is Theresa Muesel and I am so excited to start my third year as the nurse here at Keenan.  I have been a  registered nurse for 14 years. I received my Bachelor of Science in Nursing from the University of the Incarnate Word and spent most of my time in the Neonatal ICU as a bedside nurse and educator.  I discovered a passion for teaching during my time in the NICU and earned my Master of Science in Nursing from the University of Texas in Austin.  Health and education are my passions and being able to practice both each day as a school nurse has been a dream!  I am looking forward to a safe and healthy 2020-2021 school year. 

Social distance, handwash, sanitize, wear a mask
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Please refer to the following link for the most up-to-date MISD health response to COVID-19

Why a mask?

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Reducing the risk and spread of COVID-19 is one of the most important parts of our jobs this year.  

If your child is exhibiting multiple symptoms consistent with COVID-19,  you will be required to pick them up from school in a timely manner and follow the return to school guidelines.    

These symptoms include: fever equal or over 100.0 degrees, loss of taste or smell, cough, difficulty breathing, shortness of breath, fatigue, headache, chills, sore throat, shaking or exaggerated shivering, significant muscle pain or ache, diarrhea, nausea or vomiting. 

Scenario 1: Your student is sent home with from school with fever, vomiting, diarrhea or symptoms listed above but has no known exposure to COVID-19.

- Student may return to school when symptoms have improved AND they have been fever free, vomit free and diarrhea free for at least 24 hours without any medications including Tylenol, ibuprofen, immodium etc.

Scenario 2: Your student is sent home with above symptoms AND they have had close contact with a COVID positive individual.  They are suspected to have COVID-19 unless otherwise diagnosed by a licensed healthcare provider.  

They will then have to remain home until they meet all three of the following criteria for return: 

  • At least 10 days from positive test result and/or 10 days have passed since symptoms first appeared AND
  • Has improvement in symptoms


  • At least 24 hours has passed with no fever, without the use of fever-reducing medications such as Tylenol or Ibuprofen


If you wish for your student to return before completing the above stay at home period you must:

  1. See a licensed medical professional and obtain a note clearing the child for return to school based on an alternate diagnosis AND be 24 hours fever, vomit or diarrhea free without symptom-reducing medications,
  2. Obtain an acute infection test at an approved testing location( that comes back negative for COVID-19 AND be 24 hours fever, vomit or diarrhea free without symptom-reducing medications.

Scenario 3: Someone your student has been in close contact with or someone in your household has tested positive for COVID-19.

Please contact the school.  All students in the household will have to quarantine for 14 days from the last exposure.  If the student develops symptoms of COVID-19 they will then follow Scenario #2.

You MUST contact the school nurse the day BEFORE reentering school to be cleared for return based on the criteria above.  The student may not ride the bus or be dropped off at school until they have been cleared.

Students with the following NON-COVID-19 Related conditions shall be excluded from school:

  • Eyes inflamed with purulent discharge, suspected conjunctivitis 
  • Head lice (must be live lice-free with continued progress toward removing nits to come back to school)
  • Skin lesions (i.e. impetigo, ringworm and scabies) until under treatment and can be covered 
  • Communicable disease 

** You must contact the school nurse BEFORE reentry.  Please send a doctor's note or parent note upon returning to school when your student is out due to illness**

Montgomery ISD Medication Policy


This year the clinic WILL NOT be accepting over the counter medications that could mask /treat symptoms of COVID-19 such as cough, shortness of breath, headache, sore throat and body aches.  These medications include Tylenol, ibuprofen, cough drops, cough and cold medications and allergy medications not part of an allergy plan.  If your student needs one of these medications, I must have a doctor’s note and the condition for which to give the medication specified.  At this time, nebulized medications WILL NOT be administered.

All medications must be brought to the clinic by an adult. Due to limited visitors at school, please schedule an appointment by contacting Nurse Muesel to drop off medication.

Prescription drugs and Non-prescription drugs:

The school must receive an authorization to administer medication form before a medication can be given. The form is available in the clinic or on our website. This form must be signed by the parent/guardian. Any medication being taken for >14 consecutive days, must also have the physician’s signature. In addition, the following must occur:

  1. The medicine must be in the original container and not expired.
  2. All medicine must be brought to and removed from the clinic by the parent/guardian, not the student.
  3. For prescription medicine, the label must contain the student’s name, name of medication, directions for use and date.
  4. Any changes to a prescription regimen require a new medication label.
  5. For over the counter medicine, such as Advil, we can only give the recommended dosage on the bottle; any amount exceeding that requires a physician’s approval in writing.
  6. The following conditions require additional paperwork: Diabetes, Asthma, Food allergies, severe allergies requiring emergency medication and Seizure Disorders.
  7. Please only bring small quantities of over the counter (OTC) medicine due to limited space available.
  8. Medicine cannot be stored during the summer months. Please make arrangements to pick up any medication left in the clinic prior to the end of the school year. Also, each school must have a new and updated Medication Authorization form every year.

The following are medication forms that must be completed for the school year.  If you have any questions regarding these forms please feel free to call or email me.


Medication Administration Form

MISD Student Asthma Action and Medication Form

MISD Allergy and Anaphylaxsis/Epi-Pen Form

Cafe Food Allergy Substitution Request Form

Seizure Action Plan

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  • Please screen your child every morning before school for symptoms of COVID-19.  It is imperative that you keep them home and take them to the doctor if they are showing any symptoms of illness.  Please call me if you are uncertain or have questions.
  • Face coverings or face shields are mandatory for students ages 10 and up and HIGHLY RECOMMENDED for all students.  Masking will be taken into consideration when determining close contacts in a positive COVID-19 situation.
  • Practice wearing masks at home to help younger students adjust to wearing them at school.
  • It is important to clean face shields or cloth face coverings every day if possible. Your child should wear a clean mask or face shield to school every day.
  • Please send a refillable water bottle as water fountains will not be used.  Teachers will assist students in refilling water bottles as needed.
  • Please send a change of clothes in your child’s backpack.  I recommend this for all grade levels.  This is useful not only for potty accidents but for food spills, mud, paint, rips etc. I have a small supply of clothes in the clinic, but your child will feel more comfortable if they have their own clothes.
  • Label jackets and lunch kits.  Students will be carrying their own personal items.
  • Please remind your child of cough and sneeze etiquette: Cough or sneeze into a tissue or sleeve and not into hands. Always wash hands with soap and water for 20 seconds after coughing or sneezing into hands. 
  • Please remind your child of the proper hand washing technique: vigorous friction rub for 20 seconds with soap and rinse with water.  

Please refer to the following reliable resources to learn about more information regarding the COVID-19 pandemic.

Wearing a mask, social distancing and basic preventive hygiene is key to remaining healthy and slowing the spread.

Please click on the following link on How to Protect Yourself - This website is recommended by the American Academy of Pediatrics and is updated regularly regarding the COVID-19 pandemic.  It has a lot of great information concerning the virus and children and families. 


Coronavirus Government Website


CDC - COVID 19 Homepage


Johns Hopkins Real Time COVID-19 Case Map - This is a reliable and interesting real time tracking website of cases across the world.


Texas Department of State Health Services - for information about the COVID-19 pandemic from the state of Texas

COVID-19 Dashboard - Texas - Similar to the Johns Hopkins Dashboard but specifically for Texas

Montgomery County COVID19 Hub - Not only provides information on cases in Montgomery County, but also school and government closures

Montgomery County Health Department - for information regarding closures, precautions and cases in Montgomery County.

Texas school and child-care facility immunization requirements are determined by the state legislature and set by the Texas Department of State Health Services, in conjunction with the Texas Education Agency.


Maintaining adequate immunization rates in schools is critical to preventing disease outbreaks and ensuring the health of Texas children.

All immunizations must be up-to-date before school starts.

State of Texas Immunization Page

Conscience Exemption of Immunizations

Immunization Schedule


Vaccine-Preventable Diseases and the Vaccines that Prevent Them

Disease Vaccine Disease spread by Disease symptoms Disease complications
Chickenpox Varicella vaccine protects against chickenpox. Air, direct contact Rash, tiredness, headache, fever Infected blisters, bleeding disorders, encephalitis (brain swelling), pneumonia (infection in the lungs)
Diphtheria DTaP* vaccine protects against diphtheria. Air, direct contact Sore throat, mild fever, weakness, swollen glands in neck Swelling of the heart muscle, heart failure, coma, paralysis, death
Hib Hib vaccine protects against Haemophilus influenzae type b. Air, direct contact May be no symptoms unless bacteria enter the blood Meningitis (infection of the covering around the brain and spinal cord), intellectual disability, epiglottitis (life-threatening infection that can block the windpipe and lead to serious breathing problems), pneumonia (infection in the lungs), death
Hepatitis A HepA vaccine protects against hepatitis A. Direct contact, contaminated food or water May be no symptoms, fever, stomach pain, loss of appetite, fatigue, vomiting, jaundice (yellowing of skin and eyes), dark urine Liver failure, arthralgia (joint pain), kidney, pancreatic, and blood disorders
Hepatitis B HepB vaccine protects against hepatitis B. Contact with blood or body fluids May be no symptoms, fever, headache, weakness, vomiting, jaundice (yellowing of skin and eyes), joint pain Chronic liver infection, liver failure, liver cancer
Influenza (Flu) Flu vaccine protects against influenza. Air, direct contact Fever, muscle pain, sore throat, cough, extreme fatigue Pneumonia (infection in the lungs)
Measles MMR** vaccine protects against measles. Air, direct contact Rash, fever, cough, runny nose, pink eye Encephalitis (brain swelling), pneumonia (infection in the lungs), death
Mumps MMR**vaccine protects against mumps. Air, direct contact Swollen salivary glands (under the jaw), fever, headache, tiredness, muscle pain Meningitis (infection of the covering around the brain and spinal cord), encephalitis (brain swelling), inflammation of testicles or ovaries, deafness
Pertussis DTaP* vaccine protects against pertussis (whooping cough). Air, direct contact Severe cough, runny nose, apnea (a pause in breathing in infants) Pneumonia (infection in the lungs), death
Polio IPV vaccine protects against polio. Air, direct contact, through the mouth May be no symptoms, sore throat, fever, nausea, headache Paralysis, death
Pneumococcal PCV13 vaccine protects against pneumococcus. Air, direct contact May be no symptoms, pneumonia (infection in the lungs) Bacteremia (blood infection), meningitis (infection of the covering around the brain and spinal cord), death
Rotavirus RV vaccine protects against rotavirus. Through the mouth Diarrhea, fever, vomiting Severe diarrhea, dehydration
Rubella MMR** vaccine protects against rubella. Air, direct contact Sometimes rash, fever, swollen lymph nodes Very serious in pregnant women—can lead to miscarriage, stillbirth, premature delivery, birth defects
Tetanus DTaP* vaccine protects against tetanus. Exposure through cuts in skin Stiffness in neck and abdominal muscles, difficulty swallowing, muscle spasms, fever Broken bones, breathing difficulty, death

* DTaP combines protection against diphtheria, tetanus, and pertussis.
** MMR combines protection against measles, mumps, and rubella.


Vaccination Resources

Express Family Clinic:
936-463-8104  or 281-742-0624
No appointment necessary, Immunizations/Flu Vaccines $10, School Physicals $30

Domestic Violence and abuse is rising, especially during this time as families may not feel safe presenting at a hospital or have knowledge of the 24 clinic at MCHD.
Should you or someone you know suspect or experience any type of abuse, please contact your local police department and/or Texas Forensic Nurse Examiners for forensic nursing services & advocacy. Children and Adults can be seen at MCHD 24 hour clinic 1300 South Loop 336 West, Conroe, 77304.
Texas Forensic Nurse Examiners 24 hour number 281-306-6893 option 1
Montgomery County Sheriffs Office 936-760-5800

Montgomery Police Department 936-597-6866

Conroe Police Department 936-522-3200
Montgomery County Constable's Office 281-364-4211
Shenandoah Police Department 281-367-8952

For Emergencies please call 911

* Plastic Sterilite Drawers

*Underwear and socks sizes 3T to 16 boys and girls

*Gently worn shoes sizes 9-adult boys and girls

*New or gently worn shorts, pants, bottoms sizes 3T-16 boys and girls

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