From Anna Kamenetz’s  article in nprEd:

• Achievement standards: as somestudents are left behind while others advance
• Achievement tests: high performing schools give fewer tests
• School choice: private schools offer no significant advantages over public schools, on average
• Small class size: small class size needs to be paired with training and support for teachers to collaborate more closely with students
• More money: no relationship between money spent and results earned

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