Santa Lucia Middle (Data source)
Source data for Santa Lucia Middle
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 |
||
| 6 | 2503593 | 2492 | - | 2552 | = | -60 | * | (54 | / | 153) | = | -21.17647056 | ||
| 7 | 2503596 | 2530 | - | 2567 | = | -37 | * | (47 | / | 153) | = | -11.36601305 | ||
| 8 | 2503597 | 2549 | - | 2586 | = | -37 | * | (52 | / | 153) | = | -12.5751634 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Santa Lucia Middle | -45 | ||||||||||||
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 |
||
| 6 | 76369 | 2521 | - | 2552 | = | -31 | * | (73 | / | 172) | = | -13.15697672 | ||
| 7 | 76372 | 2533 | - | 2567 | = | -34 | * | (51 | / | 172) | = | -10.08139532 | ||
| 8 | 76374 | 2565 | - | 2586 | = | -21 | * | (48 | / | 172) | = | -5.86046511 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Santa Lucia Middle | -29 | ||||||||||||
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 |
||
| 6 | 78410 | 2562 | - | 2552 | = | 10 | * | (43 | / | 154) | = | 2.79220779 | ||
| 7 | 78413 | 2550 | - | 2567 | = | -17 | * | (65 | / | 154) | = | -7.17532467 | ||
| 8 | 78415 | 2563 | - | 2586 | = | -23 | * | (46 | / | 154) | = | -6.87012985 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Santa Lucia Middle | -11 | ||||||||||||
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 |
||
| 6 | 78561 | 2572 | - | 2552 | = | 20 | * | (33 | / | 146) | = | 4.52054794 | ||
| 7 | 78564 | 2572 | - | 2567 | = | 5 | * | (41 | / | 146) | = | 1.40410959 | ||
| 8 | 78565 | 2567 | - | 2586 | = | -19 | * | (72 | / | 146) | = | -9.369863 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Santa Lucia Middle | -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 |
||
| 6 | 79093 | 2538 | - | 2552 | = | -14 | * | (50 | / | 122) | = | -5.73770491 | ||
| 7 | 79094 | 2586 | - | 2567 | = | 19 | * | (32 | / | 122) | = | 4.98360654 | ||
| 8 | 79095 | 2586 | - | 2586 | = | 0 | * | (40 | / | 122) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Santa Lucia Middle | -1 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -45 | -29 | -11 | -3 | -1 | -89.0 | -17.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 36.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.8
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 | 57% | 61% | 64% | 68% | 71% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Coast 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.
Santa Lucia Middle math proficiency
Zero+ meets standard.
50% less $meal
52% less $meal
49% less $meal
60% less $meal
56% 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.
Intermediate/Middle Schools (Public) schools in Coast Unified (1)
| Santa Lucia Middle |