The phrase "again attended" is correct and usable in written English.
It can be used when referring to someone who has returned to an event or place after having attended it previously.
Example: "After a long absence, she again attended the annual conference, eager to reconnect with old colleagues."
Alternatives: "returned to" or "went back to".
In 2005, she again attended Mr. Heilner's hunt.
Upon his return, Stone lived in Mexico for a year and again attended Yale for a short period.
The cancer came back, and so, while still sleeping in his car, David again attended weekly chemotherapy sessions.
The best Christmas specials -- the stop-motion-animation classics from the 1970's by Arthur Rankin Jr. and Jules Bass -- mostly feature a Santa doll (though Jesus shows up now and again) attended by a bunch of clowny figures with the manners of bohemian admen.
The men had first met in 2003 when Khan had again attended a training camp in Pakistan with British jihadists.
On the 6th of April, 1840, I again attended conference in Nauvoo, and on the 7th was ordained a member of the Quorum of Seventies.
An LBHF contingent again attends MIPIM.
But the next afternoon I'm supposed to be on duty again, attending a meeting of the school Library Committee.
The country has been at peace since then, roads have been built, children in uniform again attend classes, the country's $4.6 billion in foreign debt has been wiped out, and Mrs. Johnson Sirleaf is credited with presiding over the change.
Managing the store filled his days, especially as there were periods of time, which usually lasted about two weeks, when Alare could not keep him company, because she was once again attending to her husband and to his medical appointments.
With sons and daughters of Old Nassau once again attending the national conventions and leadership schools of their fraternities and sororities, Princetonians are entering the mainstream of college life that finds the Greek system represented on 632 campuses in the U.S. and Canada.
