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Students increasingly are pressured to go to college not because they want to learn (much less become prepared for the duties of citizenship), but because they and their parents believe—perhaps rightly—that not going will exclude them from middle-class jobs.

At most universities, a student is likely to be unknown to the professor and would expect to feel like a nuisance, a distraction from more important work.

As academic expectations have decreased, social programming and extracurricular activities have expanded to fill more than the available time. That is particularly the case for residential students, for whom the possibility of social isolation is a source of great anxiety.

College has become unaffordable for most people without substantial loans; essentially they are mortgaging their future in the expectation of greater earnings. In order to reduce borrowing, more and more students leave class early or arrive late or neglect assignments, because they are working to provide money for tuition or living expenses.

As students' anxiety about the future increases, no amount of special pleading for general-education courses on history, literature, or philosophy—really anything that is not obviously job-related—will convince most students that they should take those courses seriously.

But at the major universities, most professors are too busy to care about individual students, and it is easy to become lost amid a sea of equally disenchanted undergraduates looking for some kind of purpose—and not finding it.

Many reform efforts, from reducing class size to improving reading instruction, have devolved into fads or been implemented with weak fidelity to their core intent. The 21st century skills movement faces the same risk.

some of the rhetoric we have heard surrounding this movement suggests that with so much new knowledge being created, content no longer matters; that ways of knowing information are now much more important than information itself. Such notions contradict what we know about teaching and learning and raise concerns that the 21st century skills movement will end up being a weak intervention for the very students—low-income students and students of color—who most need powerful schools as a matter of social equity.

First, educators and policymakers must ensure that the instructional program is complete and that content is not shortchanged for an ephemeral pursuit of skills

Second, states, school districts, and schools need to revamp how they think about human capital in education—in particular how teachers are trained

inally, we need new assessments that can accurately measure richer learning and more complex tasks

Skills and knowledge are not separate, however, but intertwined.

In some cases, knowledge helps us recognize the underlying structure of a problem.

At other times, we know that we have a particular thinking skill, but domain knowledge is necessary if we are to use it.

if skills are independent of content, we could reasonably conclude that we can develop these skills through the use of any content. For example, if students can learn how to think critically about science in the context of any scientific material, a teacher should select content that will engage students (for instance, the chemistry of candy), even if that content is not central to the field. But all content is not equally important to mathematics, or to science, or to literature. To think critically, students need the knowledge that is central to the domain.

The importance of content in the development of thinking creates several challenges

first is the temptation to emphasize advanced, conceptual thinking too early in training

Another curricular challenge is that we don't yet know how to teach self-direction, collaboration, creativity, and innovation the way we know how to teach long division.

But experience is not the same thing as practice. Experience means only that you use a skill; practice means that you try to improve by noticing what you are doing wrong and formulating strategies to do better. Practice also requires feedback, usually from someone more skilled than you are.

We must plan to teach skills in the context of particular content knowledge and to treat both as equally important.

education leaders must be realistic about which skills are teachable. If we deem that such skills as collaboration and self-direction are essential, we should launch a concerted effort to study how they can be taught effectively rather than blithely assume that mandating their teaching will result in students learning them.

teachers don't use them.

Even when class sizes are reduced, teachers do not change their teaching strategies or use these student-centered method

these methods pose classroom management problems for teachers.

These methods also demand that teachers be knowledgeable about a broad range of topics and are prepared to make in-the-moment decisions as the lesson plan progresses.

constant juggling act

greater collaboration among teachers.

But where will schools find the release time for such collaboration?

professional development is a massive undertaking.

Unfortunately, there is a widespread belief that teachers already know how to do this if only we could unleash them from today's stifling standards and accountability metrics. This notion romanticizes student-centered methods, underestimates the challenge of implementing such methods, and ignores the lack of capacity in the field today.

The first challenge is the cost.

measures that encourage greater creativity, show how students arrived at answers, and even allow for collaboration.