We don't have synonyms for sched yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are shed, ached and ched.
(n) :
(colloquial) Clipping of schedule. [A procedural plan, usually but not necessarily tabular in nature, indicating a sequence of operations and the planned times at which those operations are to occur.]
(n) :
(colloquial) Clipping of schedule. [A procedural plan, usually but not necessarily tabular in nature, indicating a sequence of operations and the planned times at which those operations are to occur.]