Colgan Counseling

PWCS cares deeply about students’ emotional well-being during their time away from school.  If a student is in need of emotional support during this time, please feel free to send an e-mail to  A school mental health or health professional will answer and offer virtual support to students to the best of their ability.  This e-mail is not to be used for emergency situations as it will not be monitored 24 hours a day.  If a student is ever in an emergency situation he/she is encouraged to call 911 or utilize one of the resources listed below:


Emergency Resources:

ACTS Helpline                                               703.368.4141

1.800.SUICIDE (24-hour hotline)               1.800.784.2433

Crisis Text Hotline (24-hour hotline)         741741   

PWC Child Protective Services Hotline     703.792.4200

PWC Community Services Board              703.792.7800



Hours: 7 AM - 3 PM (Currently working remotely)
School: 571.374.6550
Fax: 571.748.6551 
School CEEB Code: 470-002
Twitter: @ColganCounselor

School Counselors
Lindsey Mertins A-Bl
Jean Agosto Bo-C
Laura Latimer D-F
Levette Hull G-H
Yanet Boyd I-L
Kathleen An M
Stephanie Swift N-Ri
Shontell White Ro-S
Erin Flaherty T-Z
Dr. Leah Byrd, College & Career Counselor

  Claire Handville, Director of School Counseling

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 Mission Statement

The Colgan High School Counselors will work to prepare and inspire students for their future in a positive, culturally diverse and sensitive, student-centered learning environment. Through a comprehensive academic, career, and social/emotional counseling program and collaboration with students, staff, families, and community members, counselors will help ensure that each student learns the critical-thinking and problem-solving skills that set the foundation for lifelong success and productive, responsible citizenship in a global, technological society.

Vision Statement
The Colgan High School Counseling Department envisions that, through preparing and inspiring all students for their future by providing a world-class education, all students will achieve personal, post-secondary successes and thrive in a challenging and ever-changing globally diverse and technologically advanced workplace. 

Colgan High School Counselors believe:
• All students will learn to their fullest potential and achieve the personal, social/emotional, and career goals they set for themselves.

• A culturally diverse and sensitive learning environment enriches the development and educational perspectives of all students, helping to nurture integrity, compassion, and respect in all students.

• All students are entitled to equal access in high quality educational opportunities, including a comprehensive school counseling program that fosters skills to ensure students become productive, responsible citizens.

• The comprehensive school counseling program serves the whole student, by supporting all students’ academic achievement, social/emotional development, and post-secondary planning through managing, delivering, and evaluating developmentally appropriate, data-driven activities and interventions.

• Counselors are school leaders, advocating on behalf of all students and collaborating with all stakeholders, to work to remove any and all educational barriers and biases that will close achievement gaps and promote success for all students.

• Counselors will abide by professional ethics and standards, set by the American School Counselor Association, and will continue to participate in professional development sessions on county, state, and national levels.

Claire Handville
Director of School Counseling
Twitter: @ClaireHandville
Photo of Claire HandvilleMrs. Claire Handville began her school counseling career at Gar-Field Senior High School. At Gar-Field, she worked as a part of the counseling team that achieved the prestigious American School Counseling Association’s Recognized National Model Program Award in 2016. Mrs. Handville then was part of the inaugural staff at Charles J. Colgan, Sr. High School as a school counselor, before becoming Director of School Counseling.
Mrs. Handville studied at the University of Florida (Go Gators!), where she earned a B.S. in Psychology, a B.A. in Sociology, and a minor in Family, Youth, and Community Sciences. Additionally, she earned a M.A. in Counselor Education with a concentration in School Counseling from the University of South Florida and is a Nationally Certified Counselor. Most recently, Mrs. Handville earned her second Master’s degree- M.Ed. in Education Leadership from George Mason University.
Mrs. Handville loves spending time with her husband and two children, watching Gator football, crafting, and reading. She is excited to move into a new role at Colgan, while continuing to build a strong rapport with students, families, and staff in order to support students academically, social/emotionally, and in preparation for postsecondary education and careers!


Jean Agosto
Letters: Bo-C
Photo of Jean Agosto

Mr. Agosto graduated with his M.Ed. in Counseling & Development from George Mason University in May 2019! He also received a M.A. in Psychology from The Catholic University of America and he received his undergraduate degree from Syracuse University, where he majored in Psychology. This will be Mr. Agosto's first year as a school counselor and he is thrilled to get to know the students, staff and parents. Mr. Agosto is passionate about promoting a great high school experience and hopes to encourage and expand students' sense of “family” at school. He hopes to be able to impact the academic, social, emotional, and cultural needs of our school community.

In his spare time, Mr. Agosto loves to cook, watch movies, and play video games. He also enjoys exercising and running. He hopes that a year removed from finishing his second half marathon, he can begin to train again for more races! Most importantly, he enjoys going to visit his family in Puerto Rico, and just relaxing underneath the palm trees in the beach. He is looking forward to meeting you!

Laura Latimer
Letters: D-F
Photo of Laura LatimerMrs. Latimer joined the Colgan family in 2017. She attended Liberty University to earn a Bachelor of Science in Kinesiology: Health and Physical Education. During her undergraduate studies she played both club and NCAA Division I Women’s Lacrosse. More recently, she graduated from Liberty University’s CACREP accredited graduate school with a Master of Education in School Counseling.
Mrs. Latimer is excited to serve students in the same county that she grew up in and attended school! She loves lacrosse and enjoys coaching and working with athletes one-on-one. She loves spending time with family and enjoys being an aunt. In her free time she loves to hunt, fish, and spend time outdoors. She also enjoys reading, traveling, popcorn, inspiring quotes, and laughing!

Mrs. Latimer looks forward to working with Colgan families. Go Sharks! 

Levette Hull
Letters: G-H

Photo of Levette HullLevette Hull began her school counseling career in February 2013, serving the students and families of Brooke Point High School in Stafford, VA until June 2016. She has a B.A. in Sociology with minors in both Music and Women/Gender Studies from Longwood University. Additionally, she has a M.Ed. in Counselor Education (PreK-12) from Lynchburg College and a post-masters certificate in School Leadership from Liberty University. Prior to working at Brooke Point, Mrs. Hull was an A.V.I.D. program tutor for both Fairfax and Cumberland County Public Schools, worked as a Hall Director for the Office of Residence Life at Lynchburg College, and completed a year-long internship with E.C. Glass School in Lynchburg, VA. Mrs. Hull is a Forest Park High School graduate and former military child & spouse.
During her continued career at Colgan, Mrs. Hull has been an advisor for Student Council Association (SCA), assisting with Homecoming, Pep Rallies, and state conventions.  Many times, you can find Mrs. Hull around her office, laughing and being sarcastic with her students and their friends. Red is her desired color of choice, she loves singing and playing piano, and enjoys spending time with her husband, family, and friends. Mrs. Hull thoroughly enjoys working at Colgan and looks forward to establishing continued traditions to make Colgan one of the best in PWCS. 

 Yanet Boyd
Letters: I-L

School Counselor Yanet BoydMrs. Boyd began her School Counseling career 9 years ago in Prince William County Public Schools. She served as a Professional School Counselor at Freedom High School for the first 3 years and was the English Learner Counseling Coordinator for the Office of English Learner Programs and Services for the last 3 years, before joining the inaugural staff of Colgan High School in 2016.
Mrs. Boyd graduated with a Bachelor of Arts in Psychology and Minor in Spanish from Angelo State University in San Angelo, Texas. She then earned her Masters of Education in Counselor Education, with a concentration in School Counseling, from Virginia Tech University.
Mrs. Boyd lives in Stafford County and LOVES spending time with her husband Nakoa and two children. She is excited to continue working with all of the staff, students, and parents at Charles J. Colgan, Sr. High School.

Shontell White
Letters: Ro-S
Twitter: @ShontellWhite
Photo of Shontell White
This year Ms. White will be kicking off her first year as a school counselor at Colgan! In May of 2019, she graduated from the University of Virginia with her M.Ed. in Counselor Education. She completed her counseling internship at Monticello High School in Charlottesville, Virginia. She also earned her Bachelor of Science in Education in Youth and Social Innovation and Bachelor of Arts in Sociology from the University of Virginia. Ms. White is passionate about mentoring young women, and you can even find some of her work published in Girl Talk, a national peer mentoring curriculum. If she’s not relaxing in a coffee shop, you can likely find her perusing the aisles of Marshall’s and Target or getting her heart rate up in the gym. Ms. White is no stranger to a good book; she especially loves getting lost in Black literature. Family and community are so important to Ms. White and she wants each and every student to feel and know that they belong at Colgan.


Dr. Leah Byrd
College and Career Counselor

Photo of Leah Byrd

Dr. Leah Byrd is a licensed K-12 Professional School Counselor who has served in PWCS for more than 16 years. She started at Colgan High School in its opening year as a school counselor. She transitioned to the College and Career Counselor in 2017 helping to establish the newly created position. Dr. Byrd also teaches the Student Development course at Northern Virginia Community College. She earned her B.A. in Journalism at the University of Maryland (Fear the Turtle), her M.Ed. in Counseling and Development from George Mason University where she also obtained her Ph.D. in Education Policy in 2013. Her goal is to help all students realize their true potential and help set them on a path to achieve it.
Dr. Byrd is also a Bible study teacher and active in her church. She is married with three children and a very active goldendoodle, Harry. She enjoys traveling (visited 39 states so far) and stops by colleges along the way.

Cynthia Brown
School Social Worker
School Social Worker Cynthia Brown

Melissa Giannamore
New Horizons counselor

Terri Martin


Mellany Williams
Counseling Secretary
Mellany Williams Picture
Mrs. Mellany Williams is excited to be a part of the Colgan team as she begins her 19th year with Prince William County Schools. Before coming to Colgan High School, Mrs. Williams served at Woodbridge Senior High School as a student attendant, an ESOL teacher assistant, and, for the past 11 years, as an Administrative Secretary. She looks forward to serving and getting to know the students and families of Colgan High School.
Mrs. Williams recently celebrated 35 years of marriage to her husband, Kurt. She enjoys spending time with her family, especially with her 3 granddaughters.


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