Real estate license needs to be renewed every 2 years. Sales Agents and Brokers need to complete atleast 18 hours of Continuing Education to become eligible for renewal. Carol Browning Duffey has successfully completed following courses as part of qualifying and continuing education.
| Course Name (course number) | Course Provider | Course End Date | Hours |
|---|
| TREC Ethics MCE (26393) | Champions School of Real Estate, LTD | 2014-01-20 | 3 |
| TREC Legal Update MCE (26392) | Champions School of Real Estate, LTD | 2014-01-20 | 3 |
| INSIDER'S GUIDE TO COMMERCIAL REAL ESTATE (24325) | Champions School of Real Estate, LTD | 2014-01-17 | 9 |
| HOME STAGING (18508) | Collin County Association of REALTORS, Inc. | 2010-02-01 | 3 |
| TREC ETHICS MCE (E) (16497) | Republic Title of Texas, Inc. | 2009-12-09 | 3 |
| TREC LEGAL UPDATE MCE (L) (16496) | Republic Title of Texas, Inc. | 2009-12-09 | 3 |
| CMA/APPRAISAL CLASS (16883) | Collin County Association of REALTORS, Inc. | 2009-11-18 | 3 |
| NTREIS LISTINGS 102 (17157) | Collin County Association of REALTORS, Inc. | 2009-03-10 | 3 |
| TREC ETHICS MCE (E) (16497) | Kaplan Professional Schools | 2008-01-13 | 3 |
| TREC LEGAL UPDATE MCE (L) (16496) | Kaplan Professional Schools | 2008-01-13 | 3 |
| REPRESENTING LANDLORDS AND TENANTS - CREATING WIN-WIN RELATIONSH (16425) | Kaplan Professional Schools | 2008-01-13 | 3 |
| KEEPING YOUR MONEY IN THE BANK - AVOIDING UNNECESSARY LAWSUITS (16424) | Kaplan Professional Schools | 2008-01-12 | 3 |
| HIGHER LEVEL OF SERVICE - FOUR STEP FOR MARKETING EVERY PROPERTY (16423) | Kaplan Professional Schools | 2008-01-12 | 3 |
| CCCC REAL ESTATE MCE (INCLUDES TREC L&E) (14145) | COLLIN COUNTY COMM COLLEGE DIST | 2006-01-21 | 9 |
| CCCC REAL ESTATE MCE (INCLUDES TREC L&E) (14145) | COLLIN COUNTY COMM COLLEGE DIST | 2006-01-21 | 3 |
| CCCC REAL ESTATE MCE (12509) | COLLIN COUNTY COMM COLLEGE DIST | 2004-01-24 | 3 |
| CCCC REAL ESTATE MCE (12509) | COLLIN COUNTY COMM COLLEGE DIST | 2004-01-24 | 12 |
| CCCC REAL ESTATE MCE (11689) | COLLIN COUNTY COMM COLLEGE DIST | 2002-01-19 | 3 |
| CCCC REAL ESTATE MCE (11689) | COLLIN COUNTY COMM COLLEGE DIST | 2002-01-19 | 12 |
| REAL ESTATE MATH I (611) | COLLIN COUNTY COMMUNITY COLLEGE DIST. | 1999-11-18 | 45 |
| PROPERTY MANAGEMENT I (811) | COLLIN COUNTY COMMUNITY COLLEGE DIST. | 1998-10-31 | 45 |
| LAW OF CONTRACTS (1200) | COLLIN COUNTY COMMUNITY COLLEGE DIST. | 1998-08-31 | 45 |
| PRINCIPLES OF REAL ESTATE II (112) | COLLIN COUNTY COMMUNITY COLLEGE DIST. | 1998-05-31 | 45 |
| LAW OF AGENCY (1111) | COLLIN COUNTY COMMUNITY COLLEGE DIST. | 1998-05-31 | 45 |
| PRINCIPLES OF REAL ESTATE I (111) | COLLIN COUNTY COMMUNITY COLLEGE DIST. | 1998-05-31 | 45 |