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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)
  • Lynn Polston (Board Treasurer)
  • 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)

  • Lynn Polston (Board Treasurer)

    Insurance Agent
  • 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.

Lynn Polston (Board Treasurer)
Insurance Agent

 

 

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

Calendar

January 2026
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
1
Christmas Break: OFFICE CLOSED/ NO SCHOOL
Christmas Break: OFFICE CLOSED/ NO SCHOOL
January 1, 2026
New Year's Day
New Year's Day
January 1, 2026
2
Christmas Break: OFFICE CLOSED/ NO SCHOOL
Christmas Break: OFFICE CLOSED/ NO SCHOOL
January 2, 2026
3
4
5
Faculty Workday: OFFICE CLOSED/ NO SCHOOL
Faculty Workday: OFFICE CLOSED/ NO SCHOOL
January 5, 2026
6
1st Day of 2nd Semester
1st Day of 2nd Semester
January 6, 2026
Var. Boys Basketball @ Cristo Rey Tampa (4:30 pm)
Var. Boys Basketball @ Cristo Rey Tampa (4:30 pm)
January 6, 2026
7
MAP Testing K-11
MAP Testing K-11
January 7, 2026
8
MS Boys basketball @ BAMS (5:00 pm)
MS Boys basketball @ BAMS (5:00 pm)
January 8, 2026
Var. Boys basketball vs. McLaughlin Academy (7:00 pm)
Var. Boys basketball vs. McLaughlin Academy (7:00 pm)
January 8, 2026
MAP Testing K-11
MAP Testing K-11
January 8, 2026
9
MAP Testing K-11
MAP Testing K-11
January 9, 2026
Var. Girls basketball @ City of Life (6:00 pm)
Var. Girls basketball @ City of Life (6:00 pm)
January 9, 2026
10
11
12
MS Boys basketball vs Geneva Classical (5:00 pm)
MS Boys basketball vs Geneva Classical (5:00 pm)
January 12, 2026
Var. Girls basketball vs. Geneva Classical (6:00 pm)
Var. Girls basketball vs. Geneva Classical (6:00 pm)
January 12, 2026
Var. Boys basketball vs. Geneva Classical (7:30 pm)
Var. Boys basketball vs. Geneva Classical (7:30 pm)
January 12, 2026
13
Var. Girls basketball vs. Cristo Rey Tampa - SENIOR NIGHT (6:00 pm)
Var. Girls basketball vs. Cristo Rey Tampa - SENIOR NIGHT (6:00 pm)
January 13, 2026
Var. Boys basketball vs. Cristo Rey Tampa- SENIOR NIGHT (7:30 pm)
Var. Boys basketball vs. Cristo Rey Tampa- SENIOR NIGHT (7:30 pm)
January 13, 2026
14
15
16
K5- 12th Early Dismissal (Faculty In-service, No Aftercare)
K5- 12th Early Dismissal (Faculty In-service, No Aftercare)
January 16, 2026
Var. Girls basketball SSAA Tournament (TBD)
Var. Girls basketball SSAA Tournament (TBD)
January 16, 2026
Var. Boys basketball SSAA Tournament (TBD)
Var. Boys basketball SSAA Tournament (TBD)
January 16, 2026
17
Var. Girls basketball SSAA Tournament (TBD)
Var. Girls basketball SSAA Tournament (TBD)
January 17, 2026
Var. Boys basketball SSAA Tournament (TBD)
Var. Boys basketball SSAA Tournament (TBD)
January 17, 2026
18
19
Dr. Martin Luther King, Jr. Day: OFFICE CLOSED/ NO SCHOOL
Dr. Martin Luther King, Jr. Day: OFFICE CLOSED/ NO SCHOOL
January 19, 2026
20
Var. Girls basketball @ Lakeside Christian (4:00 pm)
Var. Girls basketball @ Lakeside Christian (4:00 pm)
January 20, 2026
21
22
23
MS Boys basketball @ Winter Haven Christian (4:30 pm)
MS Boys basketball @ Winter Haven Christian (4:30 pm)
January 23, 2026
Var. Girls basketball @ Winter Haven Christian (5:30 pm)
Var. Girls basketball @ Winter Haven Christian (5:30 pm)
January 23, 2026
Var. Boys Basketball @ Winter Haven Christian (7:00 pm)
Var. Boys Basketball @ Winter Haven Christian (7:00 pm)
January 23, 2026
24
Daddy Daughter Dance (6:00 PM - 8:00 PM)
Daddy Daughter Dance (6:00 PM - 8:00 PM)
January 24, 2026 | 6:00 PM - 8:00 PM
25
26
Var. Girls basketball @ Ridgeview Global Studies (6:30 pm)
Var. Girls basketball @ Ridgeview Global Studies (6:30 pm)
January 26, 2026
Var. Boys basketball @ Ridgeview Global Studies (8:00 pm)
Var. Boys basketball @ Ridgeview Global Studies (8:00 pm)
January 26, 2026
27
100th Day of School
100th Day of School
January 27, 2026
MS Boys basketball @ LCS (4:00 pm)
MS Boys basketball @ LCS (4:00 pm)
January 27, 2026
Var. Girls basketball @ Calvary Chapel (5:30 pm)
Var. Girls basketball @ Calvary Chapel (5:30 pm)
January 27, 2026
Var. Boys basketball @ Calvary Chapel (7:00 pm)
Var. Boys basketball @ Calvary Chapel (7:00 pm)
January 27, 2026
28
29
30
31
Thursday, January, 1
Christmas Break: OFFICE CLOSED/ NO SCHOOL
January 1, 2026
New Year's Day
January 1, 2026
Friday, January, 2
Christmas Break: OFFICE CLOSED/ NO SCHOOL
January 2, 2026
Monday, January, 5
Faculty Workday: OFFICE CLOSED/ NO SCHOOL
January 5, 2026
Tuesday, January, 6
1st Day of 2nd Semester
January 6, 2026
Var. Boys Basketball @ Cristo Rey Tampa (4:30 pm)
January 6, 2026
Wednesday, January, 7
MAP Testing K-11
January 7, 2026
Thursday, January, 8
MS Boys basketball @ BAMS (5:00 pm)
January 8, 2026
Var. Boys basketball vs. McLaughlin Academy (7:00 pm)
January 8, 2026
MAP Testing K-11
January 8, 2026
Friday, January, 9
MAP Testing K-11
January 9, 2026
Var. Girls basketball @ City of Life (6:00 pm)
January 9, 2026
Monday, January, 12
MS Boys basketball vs Geneva Classical (5:00 pm)
January 12, 2026
Var. Girls basketball vs. Geneva Classical (6:00 pm)
January 12, 2026
Var. Boys basketball vs. Geneva Classical (7:30 pm)
January 12, 2026
Tuesday, January, 13
Var. Girls basketball vs. Cristo Rey Tampa - SENIOR NIGHT (6:00 pm)
January 13, 2026
Var. Boys basketball vs. Cristo Rey Tampa- SENIOR NIGHT (7:30 pm)
January 13, 2026
Friday, January, 16
K5- 12th Early Dismissal (Faculty In-service, No Aftercare)
January 16, 2026
Var. Girls basketball SSAA Tournament (TBD)
January 16, 2026
Var. Boys basketball SSAA Tournament (TBD)
January 16, 2026
Saturday, January, 17
Var. Girls basketball SSAA Tournament (TBD)
January 17, 2026
Var. Boys basketball SSAA Tournament (TBD)
January 17, 2026
Monday, January, 19
Dr. Martin Luther King, Jr. Day: OFFICE CLOSED/ NO SCHOOL
January 19, 2026
Tuesday, January, 20
Var. Girls basketball @ Lakeside Christian (4:00 pm)
January 20, 2026
Friday, January, 23
MS Boys basketball @ Winter Haven Christian (4:30 pm)
January 23, 2026
Var. Girls basketball @ Winter Haven Christian (5:30 pm)
January 23, 2026
Var. Boys Basketball @ Winter Haven Christian (7:00 pm)
January 23, 2026
Saturday, January, 24
Daddy Daughter Dance (6:00 PM - 8:00 PM)
January 24, 2026 | 6:00 PM - 8:00 PM
Monday, January, 26
Var. Girls basketball @ Ridgeview Global Studies (6:30 pm)
January 26, 2026
Var. Boys basketball @ Ridgeview Global Studies (8:00 pm)
January 26, 2026
Tuesday, January, 27
100th Day of School
January 27, 2026
MS Boys basketball @ LCS (4:00 pm)
January 27, 2026
Var. Girls basketball @ Calvary Chapel (5:30 pm)
January 27, 2026
Var. Boys basketball @ Calvary Chapel (7:00 pm)
January 27, 2026

Upcoming Events

January 16 - Friday
K5- 12th Early Dismissal (Faculty In-service, No Aftercare)

Var. Girls basketball SSAA Tournament (TBD)

Var. Boys basketball SSAA Tournament (TBD)
January 17 - Saturday
Var. Girls basketball SSAA Tournament (TBD)

Var. Boys basketball SSAA Tournament (TBD)
January 19 - Monday
Dr. Martin Luther King, Jr. Day: OFFICE CLOSED/ NO SCHOOL
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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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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. 

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