Lake View Elementary (Data source)
Source data for Lake 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 | 1506165 | 2454 | - | 2436 | = | 18 | * | (48 | / | 136) | = | 6.35294117 | ||
4 | 1506168 | 2449 | - | 2485 | = | -36 | * | (48 | / | 136) | = | -12.70588234 | ||
5 | 1506169 | 2512 | - | 2528 | = | -16 | * | (40 | / | 136) | = | -4.70588235 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lake View Elementary | -11 |
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 | 47215 | 2447 | - | 2436 | = | 11 | * | (26 | / | 115) | = | 2.48695652 | ||
4 | 47216 | 2485 | - | 2485 | = | 0 | * | (44 | / | 115) | = | 0.0 | ||
5 | 47218 | 2476 | - | 2528 | = | -52 | * | (45 | / | 115) | = | -20.34782604 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lake View Elementary | -18 |
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 | 48503 | 2473 | - | 2436 | = | 37 | * | (47 | / | 137) | = | 12.69343064 | ||
4 | 48504 | 2486 | - | 2485 | = | 1 | * | (37 | / | 137) | = | 0.27007299 | ||
5 | 48506 | 2502 | - | 2528 | = | -26 | * | (53 | / | 137) | = | -10.05839414 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lake 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 | 48514 | 2442 | - | 2436 | = | 6 | * | (52 | / | 156) | = | 2.0 | ||
4 | 48517 | 2475 | - | 2485 | = | -10 | * | (66 | / | 156) | = | -4.23076923 | ||
5 | 48518 | 2525 | - | 2528 | = | -3 | * | (38 | / | 156) | = | -0.73076923 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lake View Elementary | -3 |
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 | 48733 | 2446 | - | 2436 | = | 10 | * | (59 | / | 172) | = | 3.43023255 | ||
4 | 48734 | 2482 | - | 2485 | = | -3 | * | (55 | / | 172) | = | -0.95930232 | ||
5 | 48735 | 2505 | - | 2528 | = | -23 | * | (58 | / | 172) | = | -7.75581395 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lake View Elementary | -5 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-11 | -18 | 3 | -3 | -5 | -34.0 | -6.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 17.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -30.8
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 | 62% | 63% | 57% | 59% | 61% |
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.
Lake View Elementary math proficiency
Zero+ meets standard.
52% less $meal
54% less $meal
47% less $meal
53% less $meal
55% 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.