"exemplary lesson" is a correct and usable phrase in written English.
You could use it when talking about a lesson that is a particularly good example for others to follow, or to describe something that serves as a model for others. For example, "My teacher's lesson plan on the solar system was an exemplary lesson."
A showdown might be an exemplary lesson for someone.
In Ofsted's eyes, that probably means exemplary lesson plans and 30 immaculately marked books with targets for improvement.
Research conducted alongside the design and development of the CASCADE-SEA system explored how to shape performance support for teachers who are engaged in the complex task of developing exemplary lesson materials.
How he came to create such a potentially innovative lab is both interesting and an exemplary lesson for those concerned about the future development of the West Bank and Gaza, where many Palestinians live.
The shift in tone from closed-in gloss to open revelation, from frozen luxury to tumultuous poverty, from frivolity to purpose — and, in the process, the conjuring of the transcendent and the metaphysical from the most practical and material problems — is an exemplary lesson in movie-making.
The shift in tone from closed-in gloss to open revelation, from frozen luxury to tumultuous poverty, from frivolity to purpose and, in the process, the conjuring of the transcendent and the metaphysical from the most practical and material problems is an exemplary lesson in movie-making.
This study examined the learning opportunities afforded in two exemplary lessons based on a theory of variation.
They agreed to organize teachers to confer in their own school districts about exemplary lessons and how actual student work met their standards.
His journalist's eye and writing style, together with an expert marshalling of facts, deliver an exemplary history lesson.
I've got in a bit of a tangle here, since there was a lot in Fran Landesman's film that was heart-warming or (to put it in less patronising terms) exemplary, a lesson about abandoning inhibitions and fear of what you will look like to others in pursuit of an expressive pleasure.
Written as a self-help book in the second person, it traces its unnamed hero's rise from rural poverty to corporate tycoon through exemplary life lessons – "Move to the city", "Don't fall in love", "Be prepared to use violence".
