Bishop's Peak Elementary (Data source)
Source data for Bishop's Peak Elementary
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 | 2493118 | 2470 | - | 2436 | = | 34 | * | (66 | / | 229) | = | 9.7991266 | ||
| 4 | 2493119 | 2482 | - | 2485 | = | -3 | * | (66 | / | 229) | = | -0.86462882 | ||
| 5 | 2493122 | 2508 | - | 2528 | = | -20 | * | (50 | / | 229) | = | -4.36681222 | ||
| 6 | 2493123 | 2559 | - | 2552 | = | 7 | * | (47 | / | 229) | = | 1.43668122 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bishop's Peak Elementary | 6 | ||||||||||||
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 | 76014 | 2487 | - | 2436 | = | 51 | * | (85 | / | 257) | = | 16.86770425 | ||
| 4 | 76016 | 2509 | - | 2485 | = | 24 | * | (48 | / | 257) | = | 4.48249027 | ||
| 5 | 76018 | 2535 | - | 2528 | = | 7 | * | (69 | / | 257) | = | 1.87937743 | ||
| 6 | 76020 | 2533 | - | 2552 | = | -19 | * | (55 | / | 257) | = | -4.06614786 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bishop's Peak Elementary | 19 | ||||||||||||
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 | 78050 | 2466 | - | 2436 | = | 30 | * | (53 | / | 258) | = | 6.16279068 | ||
| 4 | 78053 | 2527 | - | 2485 | = | 42 | * | (86 | / | 258) | = | 13.99999999 | ||
| 5 | 78054 | 2549 | - | 2528 | = | 21 | * | (47 | / | 258) | = | 3.82558138 | ||
| 6 | 78057 | 2568 | - | 2552 | = | 16 | * | (72 | / | 258) | = | 4.46511627 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bishop's Peak Elementary | 28 | ||||||||||||
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 | 78205 | 2467 | - | 2436 | = | 31 | * | (64 | / | 241) | = | 8.23236512 | ||
| 4 | 78208 | 2504 | - | 2485 | = | 19 | * | (54 | / | 241) | = | 4.25726141 | ||
| 5 | 78209 | 2563 | - | 2528 | = | 35 | * | (81 | / | 241) | = | 11.76348548 | ||
| 6 | 78212 | 2561 | - | 2552 | = | 9 | * | (42 | / | 241) | = | 1.56846472 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bishop's Peak Elementary | 26 | ||||||||||||
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 | 78736 | 2497 | - | 2436 | = | 61 | * | (78 | / | 268) | = | 17.75373134 | ||
| 4 | 78737 | 2504 | - | 2485 | = | 19 | * | (55 | / | 268) | = | 3.89925372 | ||
| 5 | 78738 | 2543 | - | 2528 | = | 15 | * | (52 | / | 268) | = | 2.91044775 | ||
| 6 | 78739 | 2605 | - | 2552 | = | 53 | * | (83 | / | 268) | = | 16.41417908 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bishop's Peak Elementary | 41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 6 | 19 | 28 | 26 | 41 | 120.0 | 24.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 60.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -12.0
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 | 28% | 27% | 23% | 25% | 24% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Luis Coastal Unified school district | County of San Luis Obispo
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.
Bishop's Peak Elementary math proficiency
Zero+ meets standard.
25% less $meal
24% less $meal
20% less $meal
24% less $meal
22% 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.