Orchard Hills (Data source)
Source data for Orchard Hills
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 5 | 1565893 | 2586 | - | 2528 | = | 58 | * | (257 | / | 1155) | = | 12.90562768 | ||
| 6 | 1565894 | 2604 | - | 2552 | = | 52 | * | (280 | / | 1155) | = | 12.60606058 | ||
| 7 | 1565897 | 2621 | - | 2567 | = | 54 | * | (294 | / | 1155) | = | 13.74545452 | ||
| 8 | 1565898 | 2653 | - | 2586 | = | 67 | * | (324 | / | 1155) | = | 18.79480516 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Orchard Hills | 58 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 5 | 49009 | 2585 | - | 2528 | = | 57 | * | (259 | / | 1148) | = | 12.85975609 | ||
| 6 | 49011 | 2614 | - | 2552 | = | 62 | * | (312 | / | 1148) | = | 16.85017419 | ||
| 7 | 49012 | 2647 | - | 2567 | = | 80 | * | (291 | / | 1148) | = | 20.2787456 | ||
| 8 | 49014 | 2675 | - | 2586 | = | 89 | * | (286 | / | 1148) | = | 22.17247379 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Orchard Hills | 72 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 5 | 50345 | 2588 | - | 2528 | = | 60 | * | (245 | / | 1241) | = | 11.84528604 | ||
| 6 | 50347 | 2617 | - | 2552 | = | 65 | * | (347 | / | 1241) | = | 18.17485898 | ||
| 7 | 50348 | 2640 | - | 2567 | = | 73 | * | (336 | / | 1241) | = | 19.76470584 | ||
| 8 | 50351 | 2681 | - | 2586 | = | 95 | * | (313 | / | 1241) | = | 23.96051563 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Orchard Hills | 74 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 5 | 50368 | 2590 | - | 2528 | = | 62 | * | (295 | / | 1326) | = | 13.79336345 | ||
| 6 | 50370 | 2624 | - | 2552 | = | 72 | * | (323 | / | 1326) | = | 17.5384615 | ||
| 7 | 50372 | 2638 | - | 2567 | = | 71 | * | (366 | / | 1326) | = | 19.59728503 | ||
| 8 | 50374 | 2666 | - | 2586 | = | 80 | * | (342 | / | 1326) | = | 20.63348416 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Orchard Hills | 72 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 50564 | 2488 | - | 2436 | = | 52 | * | (45 | / | 1217) | = | 1.92276084 | ||
| 4 | 50565 | 2541 | - | 2485 | = | 56 | * | (71 | / | 1217) | = | 3.26705008 | ||
| 5 | 50566 | 2599 | - | 2528 | = | 71 | * | (80 | / | 1217) | = | 4.66721439 | ||
| 6 | 50567 | 2620 | - | 2552 | = | 68 | * | (333 | / | 1217) | = | 18.60640915 | ||
| 7 | 50568 | 2652 | - | 2567 | = | 85 | * | (322 | / | 1217) | = | 22.48972883 | ||
| 8 | 50569 | 2666 | - | 2586 | = | 80 | * | (366 | / | 1217) | = | 24.05916184 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Orchard Hills | 75 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 58 | 72 | 74 | 72 | 75 | 351.0 | 70.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 88.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 52.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 13% | 11% | 12% | 16% | 13% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Tustin Unified school district | County of Orange
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Orchard Hills math proficiency
Zero+ meets standard.
9% less $meal
8% less $meal
8% less $meal
14% less $meal
11% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.