In 2017, the AIAA conducted its inaugural Geometry and Mesh Generation Workshop (GMGW-1), in conjunction with its High-Lift Prediction Workshop (HiLiftPW-3). For the meshing workshop, several researchers generated one or more meshes, where desired mesh characteristics were specified by the organizers of the HiLiftPW-3 workshop. Presented here is an assessment as to the degree to which the structured mesh systems adhered to the meshing guidelines. The primary assessment for each mesh was a validity check, specifically ensuring that the surface mesh points actually lie on the configuration, that all parts of the configuration were covered by a portion of a surface mesh, and that all mesh blocks shared common boundaries, thereby precluding holes in the field. The secondary assessment checked for mesh quality. These assessments were performed on all block-structured and structured-overset mesh systems. Overall, all submitted structured meshes were found to be valid and of generally high quality. The techniques employed here, which are freely available, are suitable not only for evaluating HiLiftPW-3 meshes, but also suitable for any future AIAA Workshop for which computational meshes are published.