Ocean View Elementary (Data source)
Source data for Ocean 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 | 686968 | 2426 | - | 2436 | = | -10 | * | (154 | / | 427) | = | -3.60655737 | ||
| 4 | 686971 | 2499 | - | 2485 | = | 14 | * | (127 | / | 427) | = | 4.16393442 | ||
| 5 | 686972 | 2492 | - | 2528 | = | -36 | * | (146 | / | 427) | = | -12.30913346 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ocean View Elementary | -12 | ||||||||||||
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 | 21713 | 2464 | - | 2436 | = | 28 | * | (137 | / | 417) | = | 9.19904076 | ||
| 4 | 21715 | 2489 | - | 2485 | = | 4 | * | (153 | / | 417) | = | 1.4676259 | ||
| 5 | 21716 | 2533 | - | 2528 | = | 5 | * | (127 | / | 417) | = | 1.52278177 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ocean View Elementary | 12 | ||||||||||||
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 | 22132 | 2453 | - | 2436 | = | 17 | * | (118 | / | 412) | = | 4.86893202 | ||
| 4 | 22133 | 2503 | - | 2485 | = | 18 | * | (142 | / | 412) | = | 6.20388349 | ||
| 5 | 22135 | 2515 | - | 2528 | = | -13 | * | (152 | / | 412) | = | -4.79611649 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ocean View Elementary | 6 | ||||||||||||
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 | 22118 | 2470 | - | 2436 | = | 34 | * | (129 | / | 387) | = | 11.33333332 | ||
| 4 | 22121 | 2519 | - | 2485 | = | 34 | * | (120 | / | 387) | = | 10.54263565 | ||
| 5 | 22123 | 2545 | - | 2528 | = | 17 | * | (138 | / | 387) | = | 6.0620155 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ocean View Elementary | 28 | ||||||||||||
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 | 22296 | 2486 | - | 2436 | = | 50 | * | (132 | / | 392) | = | 16.83673465 | ||
| 4 | 22297 | 2524 | - | 2485 | = | 39 | * | (136 | / | 392) | = | 13.53061223 | ||
| 5 | 22298 | 2551 | - | 2528 | = | 23 | * | (124 | / | 392) | = | 7.27551019 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ocean View Elementary | 38 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -12 | 12 | 6 | 28 | 38 | 72.0 | 14.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 71.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -42.6
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 | 31% | 32% | 30% | 33% | 41% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
East Whittier City Elementary 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.
Ocean View Elementary math proficiency
Zero+ meets standard.
22% less $meal
23% less $meal
24% less $meal
25% less $meal
33% 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.