Oceano Elementary (Data source)
Source data for Oceano 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 | 2488170 | 2420 | - | 2436 | = | -16 | * | (56 | / | 221) | = | -4.05429864 | ||
| 4 | 2488171 | 2433 | - | 2485 | = | -52 | * | (50 | / | 221) | = | -11.76470584 | ||
| 5 | 2488174 | 2490 | - | 2528 | = | -38 | * | (60 | / | 221) | = | -10.31674206 | ||
| 6 | 2488175 | 2473 | - | 2552 | = | -79 | * | (55 | / | 221) | = | -19.66063346 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Oceano Elementary | -46 | ||||||||||||
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 | 75858 | 2416 | - | 2436 | = | -20 | * | (64 | / | 227) | = | -5.6387665 | ||
| 4 | 75860 | 2464 | - | 2485 | = | -21 | * | (54 | / | 227) | = | -4.9955947 | ||
| 5 | 75861 | 2467 | - | 2528 | = | -61 | * | (49 | / | 227) | = | -13.16740083 | ||
| 6 | 75863 | 2517 | - | 2552 | = | -35 | * | (60 | / | 227) | = | -9.2511013 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Oceano Elementary | -33 | ||||||||||||
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 | 77890 | 2397 | - | 2436 | = | -39 | * | (52 | / | 221) | = | -9.17647056 | ||
| 4 | 77893 | 2432 | - | 2485 | = | -53 | * | (65 | / | 221) | = | -15.58823529 | ||
| 5 | 77894 | 2470 | - | 2528 | = | -58 | * | (55 | / | 221) | = | -14.43438912 | ||
| 6 | 77896 | 2488 | - | 2552 | = | -64 | * | (49 | / | 221) | = | -14.19004525 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Oceano Elementary | -53 | ||||||||||||
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 | 78053 | 2386 | - | 2436 | = | -50 | * | (56 | / | 221) | = | -12.66968325 | ||
| 4 | 78056 | 2459 | - | 2485 | = | -26 | * | (52 | / | 221) | = | -6.11764704 | ||
| 5 | 78057 | 2457 | - | 2528 | = | -71 | * | (62 | / | 221) | = | -19.91855201 | ||
| 6 | 78060 | 2519 | - | 2552 | = | -33 | * | (51 | / | 221) | = | -7.61538459 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Oceano Elementary | -46 | ||||||||||||
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 | 78584 | 2402 | - | 2436 | = | -34 | * | (59 | / | 223) | = | -8.99551569 | ||
| 4 | 78585 | 2463 | - | 2485 | = | -22 | * | (52 | / | 223) | = | -5.13004483 | ||
| 5 | 78586 | 2502 | - | 2528 | = | -26 | * | (51 | / | 223) | = | -5.94618833 | ||
| 6 | 78587 | 2516 | - | 2552 | = | -36 | * | (61 | / | 223) | = | -9.8475336 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Oceano Elementary | -30 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -46 | -33 | -53 | -46 | -30 | -208.0 | -41.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -14.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -68.6
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 | 87% | 89% | 86% | 82% | 72% |
| 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.
Oceano Elementary math proficiency
Zero+ meets standard.
74% less $meal
80% less $meal
74% less $meal
74% less $meal
67% 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.