Newark and its teachers’ union deserve praise for the groundbreaking contract that the two sides have hammered out. The relatively calm negotiations that led up to the union’s ratification vote this week stood in sharp contrast to the vitriol that surrounded a similar agreement earlier this year in Chicago that led to a polarizing strike.

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The need to improve teacher performance has long been evident in Newark, whose perennially troubled schools do a particularly poor job of preparing its 37,000 students for higher education. According to the district, for example, the graduation rate is nearly 62 percent. But almost 90 percent of Newark Public School students who enter Essex County College, a community college, need remedial help in English and nearly all need remedial help in math.

Despite this grim picture, school officials say, the current teacher evaluation system — based on haphazard observations by administrators — rates 95 percent of the district’s teachers as “effective.” The new contract, which raises starting and midlevel salaries, includes a rigorous evaluation process that takes student achievement into account.

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