The phrase "also shameful" is correct and usable in written English.
It can be used to indicate that something is not only shameful but is being added to a list of other shameful things or actions.
Example: "The way they treated the volunteers was not just unprofessional; it was also shameful."
Alternatives: "equally disgraceful" or "additionally embarrassing".
Mr. Putin's record at home is also shameful.
The treatment of Stephen's friend Duwayne Brooks was also shameful.
In the 1950s, Mr. Brown observes, its association with "the 'dark valley' of cultural decadence and militant nationalism" made it seem not only old-fashioned but also shameful.
But there were also shameful, high-voltage spotlights, like her awkward interview with Diane Sawyer where she declared, when asked about her alleged drug use, "crack is wack".
But for those who are rightly condemning Cameron and lobbying for him to change his tune, this is not the full picture: what's also shameful is this country's treatment of the asylum seekers who make it to British shores alive.
Through his extraordinarily vivid speeches and writing, he brought alive for European readers the colonialism, slavery, rapaciousness and ecological devastation he found in the Americas, making the conquest of much of the New World public, exotic but also shameful.
There was also the shameful matter of the 10,000 of Grant's soldiers who ran away.
"He is morally insensitive and aesthetically disgusting" (yet at the same time he was also "a shameful pleasure").
"It is is also a shameful breach of justice that the Iranian authorities are not even applying Iran's own laws to her case".
We look in horror at the unfolding story of journalist Jamal Khashoggi — not just his gruesome murder, finally admitted to by the Saudi government, but also the shameful response by many world leaders.
The racism endured by the Manongs was also a shameful chapter of California history.
