Grandview, College Preparatory Academy (Data source)
Source data for Grandview, College Preparatory Academy
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 |
||
| 3 | 1178742 | 2412 | - | 2436 | = | -24 | * | (39 | / | 451) | = | -2.07538802 | ||
| 4 | 1178743 | 2445 | - | 2485 | = | -40 | * | (47 | / | 451) | = | -4.1685144 | ||
| 5 | 1178746 | 2494 | - | 2528 | = | -34 | * | (49 | / | 451) | = | -3.6940133 | ||
| 6 | 1178747 | 2474 | - | 2552 | = | -78 | * | (89 | / | 451) | = | -15.39246119 | ||
| 7 | 1178750 | 2475 | - | 2567 | = | -92 | * | (118 | / | 451) | = | -24.07095342 | ||
| 8 | 1178751 | 2524 | - | 2586 | = | -62 | * | (109 | / | 451) | = | -14.98447893 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grandview, College Preparatory Academy | -64 | ||||||||||||
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 |
||
| 3 | 36713 | 2430 | - | 2436 | = | -6 | * | (41 | / | 464) | = | -0.53017241 | ||
| 4 | 36715 | 2464 | - | 2485 | = | -21 | * | (44 | / | 464) | = | -1.99137931 | ||
| 5 | 36717 | 2498 | - | 2528 | = | -30 | * | (45 | / | 464) | = | -2.90948274 | ||
| 6 | 36720 | 2485 | - | 2552 | = | -67 | * | (101 | / | 464) | = | -14.58405167 | ||
| 7 | 36721 | 2515 | - | 2567 | = | -52 | * | (108 | / | 464) | = | -12.10344824 | ||
| 8 | 36723 | 2519 | - | 2586 | = | -67 | * | (125 | / | 464) | = | -18.04956892 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grandview, College Preparatory Academy | -50 | ||||||||||||
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 |
||
| 3 | 37479 | 2426 | - | 2436 | = | -10 | * | (39 | / | 445) | = | -0.87640449 | ||
| 4 | 37482 | 2457 | - | 2485 | = | -28 | * | (39 | / | 445) | = | -2.45393257 | ||
| 5 | 37484 | 2470 | - | 2528 | = | -58 | * | (37 | / | 445) | = | -4.82247189 | ||
| 6 | 37486 | 2480 | - | 2552 | = | -72 | * | (82 | / | 445) | = | -13.26741566 | ||
| 7 | 37487 | 2518 | - | 2567 | = | -49 | * | (129 | / | 445) | = | -14.20449436 | ||
| 8 | 37489 | 2536 | - | 2586 | = | -50 | * | (119 | / | 445) | = | -13.3707865 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grandview, College Preparatory Academy | -49 | ||||||||||||
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 |
||
| 3 | 37432 | 2387 | - | 2436 | = | -49 | * | (34 | / | 411) | = | -4.05352794 | ||
| 4 | 37434 | 2426 | - | 2485 | = | -59 | * | (41 | / | 411) | = | -5.88564471 | ||
| 5 | 37436 | 2511 | - | 2528 | = | -17 | * | (35 | / | 411) | = | -1.44768855 | ||
| 6 | 37438 | 2469 | - | 2552 | = | -83 | * | (69 | / | 411) | = | -13.93430651 | ||
| 7 | 37440 | 2513 | - | 2567 | = | -54 | * | (102 | / | 411) | = | -13.40145983 | ||
| 8 | 37442 | 2530 | - | 2586 | = | -56 | * | (130 | / | 411) | = | -17.71289537 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grandview, College Preparatory Academy | -56 | ||||||||||||
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 | 37639 | 2431 | - | 2436 | = | -5 | * | (43 | / | 385) | = | -0.55844156 | ||
| 4 | 37640 | 2477 | - | 2485 | = | -8 | * | (33 | / | 385) | = | -0.68571428 | ||
| 5 | 37641 | 2465 | - | 2528 | = | -63 | * | (37 | / | 385) | = | -6.05454545 | ||
| 6 | 37642 | 2472 | - | 2552 | = | -80 | * | (81 | / | 385) | = | -16.8311688 | ||
| 7 | 37643 | 2487 | - | 2567 | = | -80 | * | (92 | / | 385) | = | -19.11688304 | ||
| 8 | 37644 | 2537 | - | 2586 | = | -49 | * | (99 | / | 385) | = | -12.59999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grandview, College Preparatory Academy | -56 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -64 | -50 | -49 | -56 | -56 | -275.0 | -55.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.0
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 | 90% | 89% | 88% | 84% | 84% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hacienda la Puente Unified school district | County of Los Angeles
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.
Grandview, College Preparatory Academy math proficiency
Zero+ meets standard.
79% less $meal
78% less $meal
78% less $meal
76% less $meal
70% 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.