San Lorenzo Valley Middle (Data source)
Source data for San Lorenzo Valley 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 | 2756122 | 2520 | - | 2552 | = | -32 | * | (149 | / | 465) | = | -10.25376342 | ||
| 7 | 2756125 | 2550 | - | 2567 | = | -17 | * | (178 | / | 465) | = | -6.50752687 | ||
| 8 | 2756126 | 2550 | - | 2586 | = | -36 | * | (138 | / | 465) | = | -10.68387095 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for San Lorenzo Valley Middle | -27 | ||||||||||||
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 | 83845 | 2538 | - | 2552 | = | -14 | * | (178 | / | 460) | = | -5.41739129 | ||
| 7 | 83846 | 2571 | - | 2567 | = | 4 | * | (139 | / | 460) | = | 1.20869565 | ||
| 8 | 83849 | 2561 | - | 2586 | = | -25 | * | (143 | / | 460) | = | -7.77173913 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for San Lorenzo Valley Middle | -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 |
||
| 6 | 86161 | 2519 | - | 2552 | = | -33 | * | (158 | / | 464) | = | -11.23706895 | ||
| 7 | 86162 | 2528 | - | 2567 | = | -39 | * | (170 | / | 464) | = | -14.28879309 | ||
| 8 | 86165 | 2528 | - | 2586 | = | -58 | * | (136 | / | 464) | = | -16.99999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for San Lorenzo Valley Middle | -43 | ||||||||||||
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 | 86393 | 2507 | - | 2552 | = | -45 | * | (167 | / | 484) | = | -15.52685949 | ||
| 7 | 86394 | 2548 | - | 2567 | = | -19 | * | (153 | / | 484) | = | -6.00619834 | ||
| 8 | 86397 | 2512 | - | 2586 | = | -74 | * | (164 | / | 484) | = | -25.07438015 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for San Lorenzo Valley Middle | -47 | ||||||||||||
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 | 86992 | 2532 | - | 2552 | = | -20 | * | (168 | / | 505) | = | -6.65346534 | ||
| 7 | 86993 | 2500 | - | 2567 | = | -67 | * | (182 | / | 505) | = | -24.14653461 | ||
| 8 | 86994 | 2533 | - | 2586 | = | -53 | * | (155 | / | 505) | = | -16.26732673 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for San Lorenzo Valley Middle | -47 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -27 | -12 | -43 | -47 | -47 | -176.0 | -35.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 9.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.2
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 | 24% | 20% | 20% | 28% | 26% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Lorenzo Valley Unified school district | County of Santa Cruz
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.
San Lorenzo Valley Middle math proficiency
Zero+ meets standard.
20% less $meal
18% less $meal
17% less $meal
26% less $meal
23% 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 San Lorenzo Valley Unified (1)
| San Lorenzo Valley Middle |