at next week's class. vs in next week's class.

Some examples from the web:

• Excellent questions for next week's class.
• We will discuss the other matter at next week's meeting.
• It's an exclusive sneak peek at next week's episode.
• We intend to address that issue at next week's meeting.
• Endorsement of the final financial package is also expected at next week's Ecofin Council.
• No, actually, it is me. I was looking at next week's schedule.
• Mike, the National Parents Group cut the cord on supporting Families First at next week's press event.
• Plus, coming up, a sneak peek at next week's episode of Teen Wolf.
• And you'll get your first look at next week's episode of Teen Wolf, presented by ATT.
• Madam President, at next week's European Council summit, nothing new will come from An Taoiseach Brian Cowan in relation to the current Lisbon Treaty impasse in Ireland.
• As I pointed out in my introductory remarks, this issue will be at the centre of the debate at next week's European Council meeting.
• This is, of course, one of the subjects to be addressed at next week's meeting in Ljubljana.
• It will no doubt also try to block discussion of the state of the country at next week's ACP-EU Assembly in Wiesbaden.
• More than 33 million people are living with AIDS worldwide, with very limited access to antiretroviral drugs, and I hope that these few recommendations will be followed at next week's international conference.
• First of all, I would like to stress that the Presidency remains determined to reach an agreement at next week's European Council.
• Next week is our final class.
• I want you to present it next week to the class.
• Graham Watson (ALDE, UK) for the ALDE group said At next week's European Council you must move forward discussions on the Lisbon Treaty.
• The House will take the final decision at next week's plenary session in Strasbourg on the basis of the amended report, now asking for rejection of the Commission proposal.
• That is why I am calling quite specifically for this humanitarian disaster to be one of the main items on the agenda at next week's meeting of the Council.

Some examples from the web:

• Excellent questions for next week's class.
• This item will appear in next week's issue...
• You can only choose two of these three gentlemen to be in next week's finale.
• You'll see pics of the two of them in next week's e-mail.
• You'll see pics of the two of them in next week's e-mail.
• You'll see pics of the two of them in next week's e-mail.
• You'll see pics of the two of them in next week's e-mail.
• Just give me your contact info here, and I will get this in next week's edition.
• This is something to which we will have to give very careful attention in our discussion in next week's trilogue.
• A couple of weeks ago, the three of us went motor-racing, for something you'll see in next week's show.
• Just promise I'm going to be heavy in next week's show.
• I see you've put your Sheridan up in next week's sale.
• Readers should note that these changes will be implemented in next week's consolidated financial statement which will be published on 4 January 2001.
• We will be discussing this in next week's Council in order to implement effectively these measures that we are proposing.
• Next week is our final class.
• I want you to present it next week to the class.
• 3 - It demonstrates that the united efforts of the small countries' delegations have succeeded in drawing a political trump card from the others in next week's debates in Nice.
• Commander Perry is going to drive it as a show car in next week's toys for tots parade.
• Have you signed up for next week's class?
• You'll see pics of the two of them in next week's e-mail.