College View Elementary (Data source)
Source data for College View 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 | 1505323 | 2432 | - | 2436 | = | -4 | * | (87 | / | 217) | = | -1.60368663 | ||
| 4 | 1505326 | 2485 | - | 2485 | = | 0 | * | (58 | / | 217) | = | 0.0 | ||
| 5 | 1505327 | 2508 | - | 2528 | = | -20 | * | (72 | / | 217) | = | -6.6359447 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for College View Elementary | -8 | ||||||||||||
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 | 47191 | 2437 | - | 2436 | = | 1 | * | (67 | / | 211) | = | 0.31753555 | ||
| 4 | 47193 | 2492 | - | 2485 | = | 7 | * | (84 | / | 211) | = | 2.78672986 | ||
| 5 | 47195 | 2500 | - | 2528 | = | -28 | * | (60 | / | 211) | = | -7.96208529 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for College View Elementary | -5 | ||||||||||||
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 | 48479 | 2460 | - | 2436 | = | 24 | * | (67 | / | 219) | = | 7.34246575 | ||
| 4 | 48481 | 2492 | - | 2485 | = | 7 | * | (66 | / | 219) | = | 2.10958904 | ||
| 5 | 48483 | 2512 | - | 2528 | = | -16 | * | (86 | / | 219) | = | -6.28310501 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for College View Elementary | 3 | ||||||||||||
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 | 48490 | 2444 | - | 2436 | = | 8 | * | (78 | / | 201) | = | 3.10447761 | ||
| 4 | 48493 | 2504 | - | 2485 | = | 19 | * | (63 | / | 201) | = | 5.95522387 | ||
| 5 | 48494 | 2520 | - | 2528 | = | -8 | * | (60 | / | 201) | = | -2.3880597 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for College View Elementary | 7 | ||||||||||||
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 | 48709 | 2430 | - | 2436 | = | -6 | * | (53 | / | 196) | = | -1.62244898 | ||
| 4 | 48710 | 2479 | - | 2485 | = | -6 | * | (78 | / | 196) | = | -2.3877551 | ||
| 5 | 48711 | 2495 | - | 2528 | = | -33 | * | (65 | / | 196) | = | -10.94387755 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for College View Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -8 | -5 | 3 | 7 | -15 | -18.0 | -3.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -27.6
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% | 56% | 52% | 57% | 59% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ocean View 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.
College View Elementary math proficiency
Zero+ meets standard.
46% less $meal
48% less $meal
44% less $meal
50% less $meal
54% 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.