Dear Uwe, lyx team i made lyx certification tamplate or example file, which generate certification and import names and grades and student numbers from csv file. i hope you add it in lyx examples folder. please see attachment files
best regards
cert_ar.lyx
Description: application/lyx
cert_en.lyx
Description: application/lyx
n,name,id,subject,grade 1,احمد محمد حمود,12345678,فيزياء,89 2,عبد الرحمن عبد العزيز,12345679,فيزياء,95 3,عبد الودود عمار,12345680,فيزياء,87
n,name,id,subject,grade 1,alpha,12345678,physics,89 2,beta,12345679,physics,95