diff --git a/src/components/Table/GridTable.test.tsx b/src/components/Table/GridTable.test.tsx
index f4e1cc85e..f4bea1c19 100644
--- a/src/components/Table/GridTable.test.tsx
+++ b/src/components/Table/GridTable.test.tsx
@@ -72,10 +72,6 @@ const nestedColumns: GridColumn<NestedRow>[] = [
   },
   selectColumn<NestedRow>({
     totals: emptyCell,
-    header: (data, { row }) => ({ content: <Select id={row.id} /> }),
-    parent: (data, { row }) => ({ content: <Select id={row.id} /> }),
-    child: (data, { row }) => ({ content: <Select id={row.id} /> }),
-    grandChild: (data, { row }) => ({ content: <Select id={row.id} /> }),
   }),
   {
     totals: emptyCell,
@@ -1647,6 +1643,57 @@ describe("GridTable", () => {
     expect(api.current!.getSelectedRowIds()).toEqual([]);
   });
 
+  it("can select all with disabled children", async () => {
+    // Given a parent with two children
+    const rows: GridDataRow<NestedRow>[] = [
+      simpleHeader,
+      {
+        ...{ kind: "parent", id: "p1", data: { name: "parent 1" } },
+        children: [
+          { kind: "child", id: "p1c1", data: { name: "child p1c1" } },
+          // And the 2nd one is disabled
+          { kind: "child", id: "p1c2", data: { name: "child p1c2" }, selectable: false },
+        ],
+      },
+    ];
+
+    const api: MutableRefObject<GridTableApi<NestedRow> | undefined> = { current: undefined };
+    function Test() {
+      const _api = useGridTableApi<NestedRow>();
+      api.current = _api;
+      return <GridTable<NestedRow> api={_api} columns={nestedColumns} rows={rows} />;
+    }
+    const r = await render(<Test />);
+
+    // And all three rows are initially rendered
+    expect(cell(r, 1, 2)).toHaveTextContent("parent 1");
+    expect(cell(r, 2, 2)).toHaveTextContent("child p1c1");
+    expect(cell(r, 3, 2)).toHaveTextContent("child p1c2");
+
+    // When we select all
+    click(cell(r, 0, 1).children[0] as any);
+    // Then the 'All', Parent, and 1st child rows are shown as selected
+    expect(cellAnd(r, 0, 1, "select")).toBeChecked();
+    expect(cellAnd(r, 1, 1, "select")).toBeChecked();
+    expect(cellAnd(r, 2, 1, "select")).toBeChecked();
+    // But the 2nd child is not
+    expect(cellAnd(r, 3, 1, "select")).toBeDisabled();
+    // And the api can fetch them
+    expect(api.current!.getSelectedRowIds()).toEqual(["p1", "p1c1"]);
+    expect(api.current!.getSelectedRowIds("child")).toEqual(["p1c1"]);
+
+    // And when we unselect all
+    click(cell(r, 0, 1).children[0] as any);
+    // Then all rows are shown as unselected
+    expect(cellAnd(r, 0, 1, "select")).not.toBeChecked();
+    expect(cellAnd(r, 1, 1, "select")).not.toBeChecked();
+    expect(cellAnd(r, 2, 1, "select")).not.toBeChecked();
+    expect(cellAnd(r, 3, 1, "select")).not.toBeChecked();
+    expect(cellAnd(r, 3, 1, "select")).toBeDisabled();
+    // And they are no longer selected
+    expect(api.current!.getSelectedRowIds()).toEqual([]);
+  });
+
   it("fires props.onSelect", async () => {
     // Given a parent with a child
     const actions: string[] = [];
@@ -3566,7 +3613,8 @@ describe("GridTable", () => {
       // When deselecting the visible row
       click(r.select_2);
 
-      // Then the parent row is now unchecked (respecting only the matched rows), but the header is still partially selected as it takes into consideration the kept selected rows
+      // Then the parent row is now unchecked (respecting only the matched rows), but the header is still partially
+      // selected as it takes into consideration the kept selected rows
       expect(cellAnd(r, 0, 1, "select")).toHaveAttribute("data-indeterminate", "true");
       expect(cellAnd(r, 2, 1, "select")).not.toBeChecked();
 
diff --git a/src/components/Table/components/SelectToggle.tsx b/src/components/Table/components/SelectToggle.tsx
index cc578e512..fcc0ceee4 100644
--- a/src/components/Table/components/SelectToggle.tsx
+++ b/src/components/Table/components/SelectToggle.tsx
@@ -19,9 +19,7 @@ export function SelectToggle({ id, disabled }: SelectToggleProps) {
       checkboxOnly={true}
       disabled={disabled}
       label="Select"
-      onChange={(selected) => {
-        tableState.selectRow(id, selected);
-      }}
+      onChange={(selected) => tableState.selectRow(id, selected)}
       selected={selected}
     />
   );
diff --git a/src/components/Table/utils/RowState.ts b/src/components/Table/utils/RowState.ts
index be439b782..701469b62 100644
--- a/src/components/Table/utils/RowState.ts
+++ b/src/components/Table/utils/RowState.ts
@@ -44,11 +44,7 @@ export class RowState<R extends Kinded> {
   removed: false | "soft" | "hard" = false;
   private isCalculatingDirectMatch = false;
 
-  constructor(
-    private states: RowStates<R>,
-    public parent: RowState<R> | undefined,
-    row: GridDataRow<R>,
-  ) {
+  constructor(private states: RowStates<R>, public parent: RowState<R> | undefined, row: GridDataRow<R>) {
     this.row = row;
     this.selected = !!row.initSelected;
     this.collapsed = states.storage.wasCollapsed(row.id) ?? !!row.initCollapsed;
@@ -127,7 +123,7 @@ export class RowState<R extends Kinded> {
     // client-side filter changes, a child reappears, and we need to transition to partial-ness.
     if (this.isParent) {
       // Use visibleChildren b/c if filters are hiding some of our children, we still want to show fully selected
-      const children = this.visibleChildren;
+      const children = this.visibleChildren.filter((c) => c.row.selectable !== false);
       const allChecked = children.every((child) => child.selectedState === "checked");
       const allUnchecked = children.every((child) => child.selectedState === "unchecked");
       return children.length === 0 ? "unchecked" : allChecked ? "checked" : allUnchecked ? "unchecked" : "partial";
@@ -143,7 +139,7 @@ export class RowState<R extends Kinded> {
    */
   get selectedStateForHeader(): SelectedState {
     if (this.children) {
-      const children = this.visibleChildren;
+      const children = this.visibleChildren.filter((c) => c.row.selectable !== false || c.isParent);
       const allChecked = children.every((child) => child.selectedStateForHeader === "checked");
       const allUnchecked = children.every((child) => child.selectedStateForHeader === "unchecked");
       // For the header purposes, if this is a selectable-row (i.e. not inferSelectedState) make sure
@@ -302,7 +298,8 @@ export class RowState<R extends Kinded> {
    * they want the row to be selectable.
    */
   private get isParent(): boolean {
-    return !!this.children && this.children.length > 0 && this.inferSelectedState;
+    // Check for KEPT_GROUP b/c it has `this.children = []` but we synthesize its children in `visibleChildren`
+    return !!this.children && (this.children.length > 0 || this.row.id === KEPT_GROUP) && this.inferSelectedState;
   }
 
   private get isPinned(): boolean {
diff --git a/src/inputs/Checkbox.test.tsx b/src/inputs/Checkbox.test.tsx
index a86b8b0bd..f881d25f0 100644
--- a/src/inputs/Checkbox.test.tsx
+++ b/src/inputs/Checkbox.test.tsx
@@ -13,6 +13,11 @@ describe("Checkbox", () => {
     expect(r.customId).toBeTruthy();
   });
 
+  it("sets disabled", async () => {
+    const r = await render(<Checkbox label="Test" selected={false} onChange={noop} disabled={true} />);
+    expect(r.test).toBeDisabled();
+  });
+
   it("treats indeterminate as false", async () => {
     // Given an indeterminate checkbox
     const onChange = jest.fn();
diff --git a/src/inputs/CheckboxBase.tsx b/src/inputs/CheckboxBase.tsx
index 39f7a7222..1e5d729ab 100644
--- a/src/inputs/CheckboxBase.tsx
+++ b/src/inputs/CheckboxBase.tsx
@@ -63,7 +63,7 @@ export function CheckboxBase(props: CheckboxBaseProps) {
       <VisuallyHidden>
         <input ref={ref} {...mergeProps(inputProps, focusProps)} {...tid} data-indeterminate={isIndeterminate} />
       </VisuallyHidden>
-      <StyledCheckbox {...props} isFocusVisible={isFocusVisible} />
+      <StyledCheckbox {...props} isFocusVisible={isFocusVisible} {...tid} />
       {!checkboxOnly && (
         // Use a mtPx(-2) to better align the label with the checkbox.
         // Not using align-items: center as the checkbox would align with all content below, where we really want it to stay only aligned with the label