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            [parent_category] => Array
                (
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                    [slug] => english-reading
                    [name] => English and Reading
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => SAT Reading
                            [slug] => sat-reading
                            [id] => 1770
                        )

                )

        )

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            [parent_category] => Array
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                    [slug] => health-medical
                    [name] => Health and Medical
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Nutrition
                            [slug] => nutrition
                            [id] => 1873
                        )

                )

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            [parent_category] => Array
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                    [slug] => math
                    [name] => Math
                )

            [subcategories] => Array
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                        (
                            [name] => ACT Math
                            [slug] => act-math
                            [id] => 1741
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                        (
                            [name] => Algebra 1
                            [slug] => algebra-1
                            [id] => 1725
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                    [2] => Array
                        (
                            [name] => Elementary Math
                            [slug] => elementary-math
                            [id] => 1743
                        )

                    [3] => Array
                        (
                            [name] => Prealgebra
                            [slug] => prealgebra
                            [id] => 1724
                        )

                    [4] => Array
                        (
                            [name] => SAT Math
                            [slug] => sat-math
                            [id] => 1740
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            [parent_category] => Array
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                    [slug] => science
                    [name] => Science
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Biochemistry
                            [slug] => biochemistry
                            [id] => 1751
                        )

                )

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            [parent_category] => Array
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                    [slug] => special-needs-learning
                    [name] => Special Needs and Learning Support
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            [subcategories] => Array
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                    [0] => Array
                        (
                            [name] => College Counseling
                            [slug] => college-counseling
                            [id] => 1912
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                    [slug] => test-prep-exams
                    [name] => Test Prep and Exams
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            [subcategories] => Array
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                        (
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                            [slug] => mcat
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                        (
                            [name] => SAT Writing
                            [slug] => sat-writing
                            [id] => 1871
                        )

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)