Chase Avenue Elementary (Data source)
Source data for Chase Avenue 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 | 2118681 | 2402 | - | 2436 | = | -34 | * | (140 | / | 384) | = | -12.39583332 | ||
| 4 | 2118684 | 2425 | - | 2485 | = | -60 | * | (118 | / | 384) | = | -18.43749996 | ||
| 5 | 2118685 | 2430 | - | 2528 | = | -98 | * | (126 | / | 384) | = | -32.15625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chase Avenue Elementary | -63 | ||||||||||||
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 | 65076 | 2380 | - | 2436 | = | -56 | * | (109 | / | 376) | = | -16.23404255 | ||
| 4 | 65079 | 2438 | - | 2485 | = | -47 | * | (143 | / | 376) | = | -17.87499996 | ||
| 5 | 65081 | 2454 | - | 2528 | = | -74 | * | (124 | / | 376) | = | -24.40425532 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chase Avenue Elementary | -59 | ||||||||||||
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 | 66893 | 2394 | - | 2436 | = | -42 | * | (104 | / | 339) | = | -12.88495572 | ||
| 4 | 66895 | 2400 | - | 2485 | = | -85 | * | (104 | / | 339) | = | -26.0766961 | ||
| 5 | 66896 | 2459 | - | 2528 | = | -69 | * | (131 | / | 339) | = | -26.66371678 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chase Avenue Elementary | -66 | ||||||||||||
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 | 66997 | 2382 | - | 2436 | = | -54 | * | (135 | / | 346) | = | -21.06936414 | ||
| 4 | 66998 | 2409 | - | 2485 | = | -76 | * | (106 | / | 346) | = | -23.28323696 | ||
| 5 | 67001 | 2437 | - | 2528 | = | -91 | * | (105 | / | 346) | = | -27.61560693 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chase Avenue Elementary | -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 | 67493 | 2384 | - | 2436 | = | -52 | * | (138 | / | 387) | = | -18.54263564 | ||
| 4 | 67494 | 2410 | - | 2485 | = | -75 | * | (135 | / | 387) | = | -26.16279068 | ||
| 5 | 67495 | 2445 | - | 2528 | = | -83 | * | (114 | / | 387) | = | -24.44961237 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chase Avenue Elementary | -69 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -63 | -59 | -66 | -72 | -69 | -329.0 | -65.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -50.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.8
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% | 93% | 93% | 90% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Cajon Valley Union school district | County of San Diego
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.
Chase Avenue Elementary math proficiency
Zero+ meets standard.
83% less $meal
87% less $meal
88% less $meal
84% less $meal
87% 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.