"scheduled through" is correct and usable in written English.
You can use it to refer to something that has been planned for a specific period of time. For example: "The conference was scheduled through July."
In addition, scans are no-longer scheduled through the Windows Task Scheduler, but through the Symantec's proprietary one, which waits for the user to stop using the keyboard and mouse (e.g. leaves the PC) and then performs tasks.
Events are scheduled through early November.
Hearings are scheduled through Feb. 20. (AP).
Five performances are scheduled through Sunday.
Open Days tours scheduled through May.
Performances scheduled through through Dec. 10.
(Four original episodes are scheduled through May 5).
Hearing dates for five more detainees are scheduled through March.
Closings are scheduled through the end of June.
There are 13 televised debates scheduled through the end of January for the Republican presidential candidates.
Ten performances are scheduled through Jan . 14at Symphony Space on Broadway at 95th Street.
