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Board of Directors

Board of Directors

OCA's Board of Directors works tirelessly to ensure the mission of Oasis Christian Academy. As an independent entity unaffiliated with any specific ministries, our Board of Directors is a vital component of the academy. They bring a diverse and varied insight, as the Lord has called them from different walks of life.  While board members are volunteers, they are intrinsically involved in overseeing and confirming best practices throughout OCA.  

Our mission is to preserve our history, clearly defining where we came from and following God’s plan for the Academy’s future. We will seek God's plan for the future of Oasis Christian Academy by continually being in prayer, reading and studying His Word, and listening to Him.  We believe in being committed to excellence in education by maximizing available resources and understanding our proper role in overseeing Oasis Christian Academy with openness and integrity.  We are committed to the Oasis family we serve by providing guidance, support, and encouragement to all stakeholders, striving to honor God with each interaction, and working for the individuals, families, and school as a whole. 

"Without consultation, plans are frustrated, But with many counselors they succeed."- Proverbs 15:22 (NASB)

Select a Profile
  • Becky Argueta (Board Chairperson)
  • Robyn Pospichal (Vice Chairperson)
  • David Polston (Board Member)
  • John Schreck (Board Member)
  • Johnathan Bilbrey (Board Member)
  • Heather Rees (Board Member)
  • Brian Peters (Board Member)
  • Craig Shirley (Board Member)
  • Brittany Holley (Board Member)
  • Becky Argueta (Board Chairperson)

  • Robyn Pospichal (Vice Chairperson)

  • David Polston (Board Member)

  • John Schreck (Board Member)

    Pastor
  • Johnathan Bilbrey (Board Member)

  • Heather Rees (Board Member)

  • Brian Peters (Board Member)

  • Craig Shirley (Board Member)

  • Brittany Holley (Board Member)

Becky Argueta (Board Chairperson)
Robyn Pospichal (Vice Chairperson)

We are excited to welcome Mrs. Pospichal to our Board!  We will have more information soon.

David Polston (Board Member)

 

 

Lynn Polston is originally from Connecticut.  She relocated to the Winter Haven area when she was 18.  She has been married to her husband David for 16 years and has the privilege of raising their granddaughter, who attends Oasis.  She has been the owner of an Insurance Agency since 2017, and prior to that, she was a Licensed banker.

Lynn loves this school and wants to see it succeed and grow for many more years to come.  Lynn believes It gives kids a great place to learn and develop into successful young men and women with a strong Christian foundation that will help them through life. She feels strongly about Christian education and wishes every child could have the opportunity to attend this type of school.

John Schreck (Board Member)
Pastor
Johnathan Bilbrey (Board Member)

We are excited to welcome Mr. Bilbrey to our Board!  We will have more information soon.

Heather Rees (Board Member)

We are excited to introduce one of our newest Board members, Heather Rees; more information is coming soon!

Brian Peters (Board Member)

We are excited to introduce one of our newest Board members, Brian Peters; more information is coming soon!

Craig Shirley (Board Member)
Brittany Holley (Board Member)

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  • About
  • Why OCA
  • Who We Are
  • Our Mission
  • The L.I.O.N. Standard
  • Board of Directors
  • The Lion's Heart
  • Administration
  • Faculty & Staff
  • After OCA
  • Careers
  • Contact Us
  • Campus Locations

Calendar

November 2026
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
1
2
9th/11th field trip- Florida Holocaust Museum
9th/11th field trip- Florida Holocaust Museum
November 2, 2026
3
4
5
6
7
8
9
3rd grade field trip- The Mission (Watkins)
3rd grade field trip- The Mission (Watkins)
November 9, 2026
10
3rd grade field trip- The Mission (Branning)
3rd grade field trip- The Mission (Branning)
November 10, 2026
11
Veterans Day: OFFICE CLOSED/ NO SCHOOL
Veterans Day: OFFICE CLOSED/ NO SCHOOL
November 11, 2026
12
13
2nd Qtr Progress Reports Emailed
2nd Qtr Progress Reports Emailed
November 13, 2026
12th grade field trip- Bartow Courthouse
12th grade field trip- Bartow Courthouse
November 13, 2026
14
Middle School Formal
Middle School Formal
November 14, 2026 | 6:00 PM - 8:00 PM
15
16
17
NHS Induction Ceremony (6pm)
NHS Induction Ceremony (6pm)
November 17, 2026 | 6:00 PM - 7:00 PM
18
19
20
K5-12th Early Dismissal (No Aftercare)
K5-12th Early Dismissal (No Aftercare)
November 20, 2026
21
22
23
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 23, 2026
24
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 24, 2026
25
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 25, 2026
26
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 26, 2026
27
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 27, 2026
28
29
30
Monday, November, 2
9th/11th field trip- Florida Holocaust Museum
November 2, 2026
Monday, November, 9
3rd grade field trip- The Mission (Watkins)
November 9, 2026
Tuesday, November, 10
3rd grade field trip- The Mission (Branning)
November 10, 2026
Wednesday, November, 11
Veterans Day: OFFICE CLOSED/ NO SCHOOL
November 11, 2026
Friday, November, 13
2nd Qtr Progress Reports Emailed
November 13, 2026
12th grade field trip- Bartow Courthouse
November 13, 2026
Saturday, November, 14
Middle School Formal
November 14, 2026 | 6:00 PM - 8:00 PM
Tuesday, November, 17
NHS Induction Ceremony (6pm)
November 17, 2026 | 6:00 PM - 7:00 PM
Friday, November, 20
K5-12th Early Dismissal (No Aftercare)
November 20, 2026
Monday, November, 23
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 23, 2026
Tuesday, November, 24
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 24, 2026
Wednesday, November, 25
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 25, 2026
Thursday, November, 26
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 26, 2026
Friday, November, 27
Thanksgiving Break: OFFICE CLOSED/ NO SCHOOL
November 27, 2026

Upcoming Events

November 2 - Monday
9th/11th field trip- Florida Holocaust Museum
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Contact Us

151 King Road
Winter Haven, FL 33880
Main Office: 863-293-0930
info@ocalions.org

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FACTS Website Services

Oasis Christian Academy admits students of any race, color, nationality, or ethnic origin to all the rights, privileges, programs, and activities generally accorded or made available to the students at the school. It does not discriminate based on race, color, nationality, or ethnic origin in the administration of its educational policies, scholarships, financial programs, or athletic and other school-administered programs.