Creston Elementary (Data source)
Source data for Creston 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 | 2481158 | 2420 | - | 2436 | = | -16 | * | (11 | / | 51) | = | -3.45098038 | ||
| 4 | 2481159 | 0 | - | 2485 | = | * | (8 | / | 51) | = | ||||
| 5 | 2481162 | 2525 | - | 2528 | = | -3 | * | (15 | / | 51) | = | -0.88235294 | ||
| 6 | 2481164 | 2560 | - | 2552 | = | 8 | * | (17 | / | 51) | = | 2.66666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Creston Elementary | -2 | ||||||||||||
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 | 75632 | 2436 | - | 2436 | = | 0 | * | (17 | / | 48) | = | 0.0 | ||
| 4 | 75634 | 2440 | - | 2485 | = | -45 | * | (11 | / | 48) | = | -10.31249997 | ||
| 5 | 75635 | 0 | - | 2528 | = | * | (8 | / | 48) | = | ||||
| 6 | 75638 | 2582 | - | 2552 | = | 30 | * | (12 | / | 48) | = | 7.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Creston Elementary | -3 | ||||||||||||
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 | 77661 | 2384 | - | 2436 | = | -52 | * | (15 | / | 51) | = | -15.29411764 | ||
| 4 | 77662 | 2423 | - | 2485 | = | -62 | * | (13 | / | 51) | = | -15.80392152 | ||
| 5 | 77665 | 2496 | - | 2528 | = | -32 | * | (14 | / | 51) | = | -8.7843137 | ||
| 6 | 77666 | 0 | - | 2552 | = | * | (0 | / | 51) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Creston Elementary | -40 | ||||||||||||
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 | 77835 | 0 | - | 2436 | = | * | (0 | / | 33) | = | ||||
| 4 | 77838 | 2460 | - | 2485 | = | -25 | * | (14 | / | 33) | = | -10.6060606 | ||
| 5 | 77839 | 2512 | - | 2528 | = | -16 | * | (11 | / | 33) | = | -5.33333333 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Creston Elementary | -16 | ||||||||||||
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 | 78367 | 2414 | - | 2436 | = | -22 | * | (13 | / | 30) | = | -9.53333333 | ||
| 4 | 78368 | 0 | - | 2485 | = | * | (5 | / | 30) | = | ||||
| 5 | 78369 | 2486 | - | 2528 | = | -42 | * | (12 | / | 30) | = | -16.8 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Creston Elementary | -26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -2 | -3 | -40 | -16 | -26 | -87.0 | -17.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 30.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.4
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 | 52% | 57% | 50% | 48% | 48% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Atascadero 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.
Creston Elementary math proficiency
Zero+ meets standard.
45% less $meal
46% less $meal
44% less $meal
42% less $meal
43% 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.
Elementary School (Public) schools in Atascadero Unified (8)
| Carrisa Plains Elementary | Creston Elementary | Fine Arts Academy |
| Monterey Road Elementary | San Benito Elementary | San Gabriel Elementary |
| Santa Margarita Elementary | Santa Rosa Road Academic Academy |