In the August 2015 issue of D Magazine, there is a "Special Advertising Section" listing profiles of about 45 private schools in the Dallas-Fort Worth area. There is information about each school in the section. Below are the schools ranked by enrollment numbers provided to D Magazine.
Enrollment - School (location)
1600 - Prestonwood Christian Academy (Plano & Prosper)
1550 - Trinity Christian Academy (Addison)
1100 - Bishop Lynch (Northeast Dallas)
1100 - Parish Episcopal (Far North Dallas)
1000 - All Saints' Episcopal School (Ft. Worth)
964 - Trinity Valley School (Ft. Worth)
890 - The Shelton School (Far North Dallas)
820 - Prince of Peace Catholic School (Plano)
800 - Legacy Christian Academy (Frisco)
770 - John Paul II High School (Plano)
627 - Dallas International School (North Dallas & near UTD)
597 - Dallas Christian School (Mesquite)
591 - Good Shepherd Episcopal School (North Dallas)
575 - McKinney Christian Academy (McKinney)
555 - The Covenant School of Dallas (North Dallas)
535 - Alcuin School (North Dallas)
500 - St. John's Episcopal School (East Dallas)
450 - The Lamplighter School (North Dallas)
450 - Providence Christian School of Texas (North Dallas)
435 - Ann and Nate Levine Academy (Far North Dallas)
415 - Lakehill Preparatory School (East Dallas)
350 - Wesley Prep (North Dallas)
350 - White Rock North School (East Dallas)
300 - Canyon Creek Christian Academy (Richardson)
300 - Starwood Montessori (Frisco)
300 - Westwood School (Far North Dallas)
300 - Zion Lutheran School (North Dallas)
250 - Highland Park Presbyterian Day School (Dallas)
245 - Fairhill School (Far North Dallas)
220 - Carrollton Christian Academy (Carrollton)
220 - Grace Academy of Dallas (North Dallas)
200 - Dallas Academy (East Dallas)
200 - Goldberg Early Childhood Center (North Dallas)
200 - The Winston School (North Dallas)
170 - Oak Hill Academy (North Dallas)
170 - White Rock Montessori (East Dallas)
140 - The Kessler School (North Oak Cliff)
100 - Great Lakes Academy (Plano)
100 - Yorktown Education (Plano)
100 - The Clariden School of Southlake (Southlake)
100 - Sunny Days Christian Preschool (Frisco)
60 - Holy Trinity Academy (Far North Dallas)
40 - Hillier School (Dallas)
These schools did not provide enrollment information in their profiles:
Primrose Schools
First Baptist Academy of Dallas (downtown)
Fusion Academy
Notable missing schools:
Hockaday
Jesuit
St. Marks
Ursuline
Cistercian
Highlands
Highlander
Many Catholic elementary schools