All Our Children Learning: A Primer for Parents, Teachers, and Other Educators

The book's spine is Bloom's argument that the evidence of research places greater responsibility on school conditions that affect learning than on basic differences in individual capabilities . It rejects the assumption that aptitude determines learning limits. Bloom contends that 90 percent or more of students can master what schools teach if instruction provides diagnostic feedback, corrective opportunities, and sufficient time . The key variable is not innate ability but what Bloom calls alterable variables: quality of instruction, time-on-task, home support, and evaluation practices. The book is a collection of thirteen papers, not a new theory, but it synthesizes decades of research into a coherent case for environmental over dispositional explanations of school achievement .

Bloom's mastery learning approach supplements regular group instruction with diagnostic procedures and alternative instructional methods and materials to bring a large proportion of students to a predetermined standard . The process includes feedback to the learner about progress and opportunities to learn from varied modes of instruction if initial approaches fail . Pupils receive help when they encounter learning difficulties and are given sufficient time to reach mastery . Bloom estimated the time cost at 10 to 20 percent additional time over the normal scheduled time, with the additional time decreasing as the strategy takes effect . The success of the approach depends on pupils' willingness to correct mistakes and re-learn at appropriate points .

Kirkus Reviews described it as a 'musty collection of previously published articles' spanning thirty years . The reviewer noted that material on early childhood education written in 1965 sounded naive and culture-bound in retrospect, and that reports of home variables influencing school success had a disquieting ring of blaming the victim . The reviewer praised mastery learning as 'the essence of good teaching' but asked why, if it is so effective, it has not been adopted nationwide—and noted that no commentary was provided to place the technique in contemporary context . A French reviewer observed that some consider it one of the most important books on education in half a century, though it ran counter to many current trends .

All Our Children Learning extends the theoretical framework of Human Characteristics and School Learning (1976) by collecting the papers that established and elaborated it . The 1976 book presented the theory that school learning depends on cognitive entry behaviors, affective characteristics, and quality of instruction. The 1981 collection gathers the foundational papers—including 'Learning for Mastery' and 'New Views of the Learner'—that developed this argument over two decades . Bloom's position in the collected papers is that learning characteristics such as good-poor and fast-slow are alterable by appropriate school conditions . The collection functions as a documentary history of how Bloom arrived at that conclusion.

One of the book's four sections is devoted to home and school, with three papers examining how home conditions affect academic achievement . Bloom argues that when home and school have similar emphases on motivation and learning, the child has little difficulty in later school learning . He considered the effect of a child's learning environment in early years one of the most vital research problems . A French review noted that Bloom drew on Dave's 1963 analysis of family attitudes, which established an 80 percent correlation between domestic behavior and later reading achievement . The reviewer found this material particularly valuable for a non-American audience .

The book's central claim—that school conditions are more decisive than fixed aptitude—has been broadly supported, but its practical adoption has been uneven. Kirkus's 1980 question about why mastery learning was not adopted nationwide remains relevant; coverage of material and the expectation that students learn by a certain date or not at all still describe much classroom practice . The book's emphasis on alterable variables anticipated later research on formative assessment and instructional quality. However, the cultural optimism of the early papers—including predictions of eradicating educational problems of cultural deprivation within ten years—reads as naive in retrospect . The collection is now valuable as a historical document of the mastery learning movement at its peak.