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 | 2487832 | 2444 | - | 2436 | = | 8 | * | (95 | / | 339) | = | 2.2418879 | ||
| 4 | 2487833 | 2496 | - | 2485 | = | 11 | * | (81 | / | 339) | = | 2.62831858 | ||
| 5 | 2487836 | 2516 | - | 2528 | = | -12 | * | (82 | / | 339) | = | -2.90265486 | ||
| 6 | 2487837 | 2534 | - | 2552 | = | -18 | * | (81 | / | 339) | = | -4.30088495 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ocean View 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 | 75848 | 2451 | - | 2436 | = | 15 | * | (97 | / | 374) | = | 3.89037432 | ||
| 4 | 75849 | 2497 | - | 2485 | = | 12 | * | (104 | / | 374) | = | 3.33689839 | ||
| 5 | 75852 | 2527 | - | 2528 | = | -1 | * | (88 | / | 374) | = | -0.23529412 | ||
| 6 | 75854 | 2562 | - | 2552 | = | 10 | * | (85 | / | 374) | = | 2.27272727 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ocean View Elementary | 9 | ||||||||||||
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 | 77881 | 2469 | - | 2436 | = | 33 | * | (87 | / | 368) | = | 7.80163042 | ||
| 4 | 77883 | 2498 | - | 2485 | = | 13 | * | (95 | / | 368) | = | 3.35597825 | ||
| 5 | 77885 | 2528 | - | 2528 | = | 0 | * | (96 | / | 368) | = | 0.0 | ||
| 6 | 77886 | 2568 | - | 2552 | = | 16 | * | (90 | / | 368) | = | 3.91304347 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ocean View Elementary | 15 | ||||||||||||
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 | 78042 | 2475 | - | 2436 | = | 39 | * | (97 | / | 377) | = | 10.03448273 | ||
| 4 | 78043 | 2511 | - | 2485 | = | 26 | * | (85 | / | 377) | = | 5.86206894 | ||
| 5 | 78046 | 2528 | - | 2528 | = | 0 | * | (101 | / | 377) | = | 0.0 | ||
| 6 | 78047 | 2557 | - | 2552 | = | 5 | * | (94 | / | 377) | = | 1.24668435 | ||
| 7 | 78050 | 0 | - | 2567 | = | * | (0 | / | 377) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ocean View Elementary | 17 | ||||||||||||
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 | 78574 | 2472 | - | 2436 | = | 36 | * | (104 | / | 391) | = | 9.57544754 | ||
| 4 | 78575 | 2520 | - | 2485 | = | 35 | * | (99 | / | 391) | = | 8.86189255 | ||
| 5 | 78576 | 2549 | - | 2528 | = | 21 | * | (87 | / | 391) | = | 4.67263425 | ||
| 6 | 78577 | 2582 | - | 2552 | = | 30 | * | (101 | / | 391) | = | 7.7493606 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ocean View Elementary | 31 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -2 | 9 | 15 | 17 | 31 | 70.0 | 14.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 50.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -22.0
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 | 20% | 23% | 19% | 19% | 17% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lucia Mar 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.
Ocean View Elementary math proficiency
Zero+ meets standard.
17% less $meal
17% less $meal
13% less $meal
16% less $meal
15% 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.