Margaret and Rock are the same sculpt. Margaret is always released as MSD/SDM G and Rock as MSD/SDM B. Releases have all been in normal resin.
School molds are molds mostly released at painting classes at a Volks store or Dolpa. Any of these events that are known will be listed, but please note that they likely have more releases.
School releases: Dolpa 14 (Margaret, Rock) – Seoul Sumika Workshop (Margaret, Rock) – Hiroshima Workshop (Margaret, Rock) – Private Party in Tenshi no Sato Workshop (Margaret, Rock)
Coordinate model releases: Mado 08/12 – Mado 09/13
One-off releases: Sato 05/10 – Sato 02/12 – Sumika 07/12 – Sato Golden Party Spring 2015 – Sumika 09/19
Related sculpts: Margaret Sweet Dream
Name: Rock
Date: 09/22/19
Event: Tenshi no Sumika monthly release
Release Type: One-off
Body Type: SDM B
Name: Rock
Date: 04/29/15
Event: Tenshi no Sato Golden Party Spring 2015
Release Type: One-off
Body Type: SDM B
Name: Margaret
Date: 09/19/13
Event: Tenshi no Mado monthly release
Release Type: Coordinate model
Body Type: MSD G
Clothes: Volks Fullset
Name: Rock
Date: 11/17/12
Event: Private Party in Tenshi no Sato Workshop
Release Type: School
Body Type: MSD B
Resin: PS Normal
Parts: MSD-L-01
Wig: Original style, ash brown
Eyes: Acrylic eyes, CA-03 green, 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.
Name: Margaret
Date: 11/17/12
Event: Private Party in Tenshi no Sato Workshop
Release Type: School
Body Type: MSD G
Resin: PS Normal
Wig: Original style, natural gold
Eyes: Acrylic eyes, CA-09 hazel , 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.
Name: Margaret
Date: 08/19/12
Event: Tenshi no Mado monthly release
Release Type: Coordinate model
Body Type: MSD G
Resin: PS Normal
Clothes: Volks Fullset
Name: Rock
Date: 07/22/12
Event: Tenshi no Sumika monthly release
Release Type: One-off
Body Type: MSD B
Resin: PS Normal
Clothes: Prince de lis
Design: Saifa
Name: Rock
Date: 02/18/12
Event: Tenshi no Sato monthly release
Release Type: One-off
Body Type: MSD B
Name: Rock
Date: 06/30/10
Event: Hiroshima Workshop
Release Type: School
Body Type: MSD B
Resin: PS Normal
Parts: MSD-L-01
Wig: Original style, ash brown
Eyes: Acrylic eyes, CA-03 green, 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.
Name: Margaret
Date: 06/30/10
Event: Hiroshima Workshop
Release Type: School
Body Type: MSD G
Resin: PS Normal
Wig: Original style, natural gold
Eyes: Acrylic eyes, CA-09 hazel , 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.
Name: Margaret
Date: 05/14/10
Event: Tenshi no Sato monthly release
Release Type: One-off
Body Type: MSD G
Resin: PS Normal
Clothes: J.Girl with BAMBI
Design: K. Mayura
Name: Rock
Date: 01/22/06
Event: Seoul Sumika Workshop
Release Type: School
Body Type: MSD B
Resin: PS Normal
Parts: MSD-L-01
Wig: Original style, ash brown
Eyes: Acrylic eyes, CA-03 green, 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.
Name: Margaret
Date: 01/22/06
Event: Seoul Sumika Workshop
Release Type: School
Body Type: MSD G
Resin: PS Normal
Wig: Original style, natural gold
Eyes: Acrylic eyes, CA-09 hazel , 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.
Name: Rock
Date:12/24/05
Event: Dolpa 14
Release Type: School
Body Type: MSD B
Resin: PS Normal
Parts: MSD-L-01
Wig: Original style, ash brown
Eyes: Acrylic eyes, CA-03 green, 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.
Name: Margaret
Date: 12/24/05
Event: Dolpa 14
Release Type: School
Body Type: MSD G
Resin: PS Normal
Wig: Original style, natural gold
Eyes: Acrylic eyes, CA-09 hazel , 16mm
Price: 32550 (tax included)
Comments: Released as a kit that must be assembled and painted by the owner. Only available at painting classes at a Volks store or Dolpa.