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            [parent_category] => Array
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                    [slug] => computer-technology
                    [name] => Computer and Technology
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            [subcategories] => Array
                (
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                        (
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                            [slug] => computer-science
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                        (
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                            [slug] => java
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                    [2] => Array
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                            [slug] => python
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            [parent_category] => Array
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                    [slug] => english-reading
                    [name] => English and Reading
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            [subcategories] => Array
                (
                    [0] => Array
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                            [slug] => sat-reading
                            [id] => 1770
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                )

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            [parent_category] => Array
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                    [id] => 1723
                    [slug] => math
                    [name] => Math
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            [subcategories] => Array
                (
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                        (
                            [name] => ACT Math
                            [slug] => act-math
                            [id] => 1741
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                    [1] => Array
                        (
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                            [slug] => algebra-1
                            [id] => 1725
                        )

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                        (
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                            [slug] => algebra-2
                            [id] => 1726
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                            [slug] => calculus
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                        (
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                            [slug] => common-core
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                            [slug] => elementary-math
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                            [name] => Linear Algebra
                            [slug] => linear-algebra
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                            [slug] => prealgebra
                            [id] => 1724
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                            [slug] => precalculus
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                            [slug] => probability
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                            [name] => SAT Math
                            [slug] => sat-math
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                            [name] => Statistics
                            [slug] => statistics
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                        (
                            [name] => Trigonometry
                            [slug] => trigonometry
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                        )

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            [parent_category] => Array
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                    [slug] => science
                    [name] => Science
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            [subcategories] => Array
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                            [name] => Elementary Science
                            [slug] => elementary-science
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            [parent_category] => Array
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                    [id] => 1856
                    [slug] => test-prep-exams
                    [name] => Test Prep and Exams
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            [subcategories] => Array
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                    [0] => Array
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                            [name] => SAT Writing
                            [slug] => sat-writing
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)